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conception是什么意思

conception[英][ku0259nu02c8sepu0283n][美][ku0259nu02c8su025bpu0283u0259n]n.受精,怀孕; 胚胎; 概念; 设想,构想; 复数:conceptions例句:1.This conception of photography as a mechanical recording medium never fully died away.摄影作为一种机械记录的媒介的概念从未完全消失。2.In this respect he follows the aristotelian conception of a teleological or purpose drivennatural world. 在此他服从了亚里士多德对于目的论和驱动自然世界的意图的观念。

恳求nuest sleeptalking 的罗马歌词。。

nu‘est-sleeptalkingJigeumeun tto myotsinji kuminji sengsinjiNe moritsoge seukhechi geunyoreul bamse geuryossotgetjiNan jaku gokuro hyonsilgwaneun gokuroGeunyoege dagagamyon jakuman byolnararo* Gunggeumhe alssongdalssong susukekiDeche nan we geureyo namjadabge malhalleyoHonjaman aneun kum sok bimil yegiGeunyoreul chodeheyo sumgyo on ne mameul say!** Igon maldo andwe baro ne du nun apheGeunyoga utgo itjanaJamyon nathatnatda kemyon sarajineun geunyoreulButjabgosipheunde say! Gobek gobek gobek gobek ne jamkodeKeonado geu ireum bullodoKode kode kode kode jamkodeGeunyoreul mannaro ga nan tto jollyoyoNon odinji ne mameun aneunjiIrohke sogi thaneun ne simjang moreujiMaldo mot goneun maryoke heonajido motheKum sogirangeun jongbande yogison oreumi dwe* 重复** 重复Ay yo! NU"EST is back on a duble-kick trackMake some noise** 重复

java.sql.SQLException: Io 异常: Socket closed

Socket closed套接字关闭啊... 是你连数据库的问题

java.sql.SQLException: ORA-00942: 表或视图不存在

JAVA的数据库用的database与表所在的database是否一致?

apart for=besides=except for?

应该是apart from吧 要是这样的话 这个等式应该是成立的

关于except 与apart from 的区别

选Aexcept for, except, but, besides 和 apart from 的中文意思均为"除...外",但其具体用法不尽相同。 1.except for: 用于非同类事物,它的宾语与前述对象完全是两回事。例如: The room was very cold and, except for Jack, entirely empty. 这个房间很阴冷,而且除了杰克,完全是空荡荡的。 本句中,前述对象是"房间",而除去的对象是"Jack",两者毫无关系。 2.except:指同一类事物的总体中除去一部分,强调的是除去。如: He gets up early everyday except Sunday. 除星期天外,他每天早起。 有时except与except for可以换用,如: Except for(=except) John, the whole class passed the test. 全班同学除约翰外,全都通过了考试。 3.but:常可与 except互换,强调"不在其中"。例如: Everyone attended the meeting but Mary. 大家都出席了这次会议,但玛丽不在其列。4.besides:强调"除此之外,还包括"。She can speak French and Japanese besides English. 除英语外,她还会讲法语和日语。 5. apart from:其含义主要依据上下文而定,有时可与except换用,有时可代替besides.Apart from the coat, the hat doesn"t suit me. 除价钱太贵,这帽子也不适合我戴。

aside from,apart from,except,besides的区别。

besides,asidefrom,apartfrom三者相等,都有“除什么外还有。。”之意除了约翰外,还有我们五个人要一起吃饭。(包含约翰)Apart/AsidefromJohn,therewillbefiveofusfordinner./Therewillbefiveofusfordinner,besidesJohn.但是except是不包括的意思Therewillbefiveofusfordinner,exceptJohn.(不包含约翰)

apart from 和except的区别

Except:指同一类事物的总体中除去一部分。如:He gets up early everyday except Sunday. 除星期天外,他每天早起。apart from;其含义主要依据上下文而定,有时可与except换用,有时可代替besides.例如:Apart from the coat, the hat doesn"t suit me. 除价钱太贵,这帽子也不适合我戴。 except 用于同类之间。apart from 在同类或不同类都能用。

apart from,except,beside 的区别

楼主好!很高兴为你解答问题:except和besides都为“除……之外”;但含义不同:except表示“从所提到的人或事物中除去,即从整体中除去一部分”,表示递减的概念,含义是否定的。besides表示“除了……之外,还有……”,指“在整体中加入一部分”,表示递加的概念,含义是肯定的。apartfrom;其含义主要依据上下文而定,有时可与except换用,有时可代替besides.例如:Apartfromthecoat,thehatdoesn"tsuitme.除价钱太贵,这帽子也不适合我戴。

apart from 和except for的区别

except for,只有 “除……之外,不包括”的意思。apart from,既可以表示“除……外,还包括”,也可以表示“除……之外,不包括”。 apart用法 adv.分离地;分别地 常用结构 apart from ... 除了……外, 除了……还有 take ...apart 拆开 tell apart 分辨出 易混辨析 besides/except/except for/except that/ except when/but/apart from besides指“除……之外,另外还有”,着重于“另外还有”。 except指“从整体里减去一部分”,着重于“排除在外”。 except for与except同义,但except for所“排除在外”的通常是整体中的一个细节, 或是句中所述的整体内容中的一个部分。 except用法 except用作动词 1.except用作及物动词时的基本意思是“把…除外”。引申可指“免除”,一般接人作宾语,且通常用于否定结构。 You will be punished,I can except no one. 你们都得受到惩罚,我不放过任何人。 All the students are late, not excepting John. 所有学生都迟到了,约翰也不例外。 2.except与介词to或against连用,意为“反对…”; 与介词for连用表示“不包括在…之内”。 二.except用作介词 1.except用作介词可表示“除…之外”,通常指所排除的事物不在所述范围之内,后面可接名词或代词。 2.except可接反身代词、副词、介词短语或状语从句,也可接(省略to的)动词不定式、动名词、基数词,还可接that或wh-从句。 I like her except when she is angry.

besides和apart from和except的区别

(1)besides与except前者表示”除...以外,还有..后者表示”从整体中除去..这.”;.”个大家都知道,就不举例子了.(2)except与exceptfora.除去的和非除去的是同类事物,excepteg:alltheessaysarewellwrittenexceptnelson"s.用nelson的文章(除去的)和alltheessays(非除去的)是同类事物,所以用except.b.除去的和非除去的不是同类事物,用exceptfor,并且从语气上通常表示遗憾.eg:hisessayiswellwrittenexceptforafewspellingmistakes.afewspellingmistakes(除去的)和hisessay(非除去的)是不同类的事物.(3)apartfrom具有多重意义:既可表示besides,也可以表示exept或exeptfor,还可以表示without的意思eg:apartfromthecost,itwilltakealotoftime.(=besides)theorphanhadnoonetotakecareofhimapartfromhisuncle.(=except)hehasdonegoodwork,apartfromafewslightfaults.(=exceptfor)therecanbenoknowledgeapartfrompractice.实践出真知.(=without)

关于except与apart的问题

三个词组中文释义看似相同,其实不然.apartfrom有"远离--"的意思,这里不用区别了.apartfrom"除什么之外还有---",其后的宾语与下文要讲的事物均被包括.如:apartfrom"angry"and"hungry",whatothercommonenglishwordendsin"-gry"?(除了angry和hungry,还有哪些英文普通单词以-gry结尾?)从这里可以看出,apartfrom的"除什么之外还有---"是一种肯定的意思.exceptfor,except都是介词,都接宾语.也都是"除....之外",但用法不一样.前者要求后接的宾语在前面没有相同属性的其他事物.如:theroomisverycleanexceptforalittlerubbishinthecorner.(房间很干净,除了角落里有一点垃圾。exceptfor后接垃圾,而前面讲的是房间,和它不是相同属性的。)except后接的宾语要求前面有相同属性的事物照应。如:allthestudentsarepresentexcepttom.(所有的学生都来了,除了tom.),因为tom本身就是学生,属于前文有所提及,所以用except.

关于except与apart的问题

三个词组中文释义看似相同,其实不然.apartfrom有"远离--"的意思,这里不用区别了.apartfrom"除什么之外还有---",其后的宾语与下文要讲的事物均被包括.如:apartfrom"angry"and"hungry",whatothercommonenglishwordendsin"-gry"?(除了angry和hungry,还有哪些英文普通单词以-gry结尾?)从这里可以看出,apartfrom的"除什么之外还有---"是一种肯定的意思.exceptfor,except都是介词,都接宾语.也都是"除....之外",但用法不一样.前者要求后接的宾语在前面没有相同属性的其他事物.如:theroomisverycleanexceptforalittlerubbishinthecorner.(房间很干净,除了角落里有一点垃圾。exceptfor后接垃圾,而前面讲的是房间,和它不是相同属性的。)except后接的宾语要求前面有相同属性的事物照应。如:allthestudentsarepresentexcepttom.(所有的学生都来了,除了tom.),因为tom本身就是学生,属于前文有所提及,所以用except.

Speech by British Prime Minister Mrs. Margaret Thatcher(September22,1982)

英国首相玛格丽特.撒切尔夫人的演讲(1982年9月)

exception approval 是什么意思

pending approval 等待批准,尚待批准,等待审批 ;After a good annual review, my supervisor told me I was up for a raise, pending approval of the vice president. 有一年,我的年度评审很好,我的上司告诉我可以给我加薪,这事儿正等著副总裁的批准。

You are the only exception感伤英文句子

Sorry,I ha一ve been used to the things which I"m not supposed to. ------ 对不起,我已经习惯了不该习惯的习惯。 Love is my sickness and you are my drug, I"m addicted . ------ 一爱一是一种病,我赶上了。你是我的药。我上瘾了。 Never let anyone fall for you when you know there"s some else in your heart. ------ 如果你心里面已经有了人,就千万不要让别人一爱一上你! Being nice to someone you dislike doesn"t mean you"re a fake. It means you"re mature enough to tolerate your dislike towards them. ------ 能够善待不太喜欢的人,并不代表你虚伪,而意味着你内心成熟到可以容纳这些不喜欢。 I will be here when you real like being quiet....and when you need to speak your mind ,I will listen. ------ 当你想要安静的时候我会静静地守候,当你需要倾诉的时候我会耐心的倾听。 If you aren"t happy single, you won"t be happy taken. Happiness comes from oneself, not from men. ------ 如果你单身时不快乐,那有伴时也不会快乐。快乐源于自身,而不是男人。 Even if someone breaks your heart, there is always someone willing to mend it. ------ 即使有人打碎了你的心,总还是会有人,愿意修补好它。 If someone is strong enough to bring you down,show them you are strong enough to get up. ------ 如果有人强大到让你倒下,那你就让他看看,你也能自己站起来。 To love someone in secret is like a seed in bottle waiting for growing up, though not sure whether the future will be more beautiful, still waiting it earnestly and eagerly. ------ 暗恋一个人的心情,就像是瓶中等待发芽的种一子,永远不能确定未来是否是美丽的,但却真心而倔强的等待着。 The most stupid thing is to show off your self-esteem before money and love. ------ 在金钱与一爱一情面前卖弄自尊,是最愚蠢的事. If you don"t go after what you want, you"ll never ha一ve it. If you don"t ask, the answer is always no. If you don"t step forward, you"re always in the same place. ------ 不去追逐你所渴求,你将永远不会拥有。不开口问,回答永远是No。不往前走,就将永远停留。 Make up your mind to act decidedly and take the consequences. No good is ever done in this world by hesitation. ------下定决心,果断行动,并承担后果。在这世界上犹豫不决成就不了任何事。 You are the only exception. ------ 你是唯一的例外. There are things that we don"t want to happen but ha一ve to accept,things we don"t want to know but ha一ve to learn,and people we can"t live without but ha一ve to let go. 总有一些事,我们不愿它发生,却必须接受;总有些东西,我们不想知道, 却必须了解;总有些人, 我们不能没有, 却必须学着放手。 Eternity is not a distance but a decision. ------ 永远不是一种距离,而是一种决定。 From now on, I will expect nothing, and just take what I get. ------ 从现在起,我将不再期待,只珍惜我所拥有的。 You are the reason why I became stronger.But still,you are my weakness. ------ 因为你,我懂得了成长,可你,依旧是我的伤。 Sometimes I wish I could just take my heart and turn it off, so I wouldn"t ha一ve to feel the pain anymore. ------ 有时候,我多希望可以拿出我的心,关掉它,这样就不会感到痛苦了。 Trust is like an eraser. It gets smaller and smaller after every mistake. ------ 信任就像橡皮擦,在一次一次的错误中慢慢损耗变小。 The only reason I"m fat is because a tiny body couldn"t store all this personality. ------ 我胖的`唯一原因,是太小的身一体容纳不了我饱满的一性一格。 You can"t change the past, but you can ruin the present by worrying about the future ------ 你改变不了昨天,但如果你过于忧虑明天,将会毁了今天。 They keep saying the right person will come along, I think mine got hit by a truck. ------ 他们总是在说只要等待,合适的人就会出现,我觉得合适我的那个人是不是在路上被车撞了。 The sign of maturity is not when you start speaking big things,But, actually it is, When you start understanding Small things. ------ 成熟的标志不是会说大道理,而是你开始去理解,身边的小事情。

Opening Reception 是什么?

开幕式/(开业也可)招待会(酒会)

amixedreception是什么意思

反响不一的名声

Networking Reception是什么意思

yes

a wedding reception是什么意思

a wedding reception一个婚礼a wedding reception[英][u0259 u02c8wediu014b riu02c8sepu0283u0259n][美][e u02c8wu025bdu026au014b ru026au02c8su025bpu0283u0259n]n.结婚宴会; 例句:1.Suggesting the steak pitas a wedding reception. 提议婚宴在牛排站举行。

bonne reception什么意思

客套话,相当于请查阅!

leave at reception

答案:B 题干中he will learn how to find you是修饰note的一个定语从句;learn…from…从…当中了解…;which指代先行词note,即he will learn how to find you from the note. 故选B.

几道英语题词形转换题1、Ask the ___there to get your key.(reception)2、Li

1、Ask the receptionist there to get your key.(reception) 2、Light travels faster than __sound_.(sound) 3、He saw some amazing__scenes _at the zoo.(see) 4、It has a nice__taste_.(taste)

media-reception是什么意思

media-reception 媒体接待例句筛选1.Should you wish to arrange your own transportation, please present your name cards at the Media Reception at Ocean Park.如自行前往海洋公园,请于正门前之传媒接待处登记后进入会场,并出示记者证。2.We look at the ways in which the politics of class, gender and race influence both the production and reception of media.我们将着眼于社会阶级、性别及种族政治学是如何影响大众传播媒介的生产过程和接受度。

welcome reception是什么意思

. 欢迎招待会2. 欢迎接待会例句:1.Attendees were then treated to a Welcome Reception at the Art Museum of South Texas.

reception desk是什么意思

前台。。。。

critical reception是什么意思

你好,笼统的意思是【批判的接受】,亲近一点是【取其精华,去其糟粕】************************************************************如果你对这个答案有什么疑问,请追问,另外如果你觉得我的回答对你有所帮助,请千万别忘记采纳哟!**************************************************************

Could you tell me something about receptio?然后要怎么回答啊?要用英文哦

翻译过来是请问你能告诉一些有关招待会的信息吗? 回答有两种1. 肯定:sure, no problem.2. 否定:Sorry, I am a green hand here.(我是个新手,对情况不太了解。)希望能帮到你。

critical reception是什么意思

批评会

with reception和in reception是同一个意思吗?

如果在接待处碰头,可以用in reception,比如We will meet in reception.如果留个口信在接待处,可以用You can leave a message with the reception.(你可以在接待处留个口信)

reception counter是什么意思

reception counter接待柜台reception[英][ru026au02c8sepu0283n][美][ru026au02c8su025bpu0283u0259n]n.接待; 欢迎; 招待会; 接待处; 复数:receptions例句:1.A family doctor needs good administrators and reception staff. 一名家庭医生需要优秀的行政助理和接待人员。2.Much of apple"s market value hinges on the reception of its products. 苹果的市场价值主要取决于它的产品的接受度。

做reception的 英文点讲??

Receptionist -- R Guest -- G R: May I help you Sir? G: I have a meeting with Mr.X. R: Mr.X is here please e in. .......... R: Would you please wait here I"ll ask him to e out. G: Oh Thank you! R: My pleasure. hello may i help you? xxx is ing.would you please go to xxx(no) room and wait for xxx? ok follow me.this is xxx(no) room.xxx will e soon.if you have any problem you can phone me.this is my phone number.xxxx xxxx(phone no).goodbye. 做reception要开门同问人揾边个or 佢话揾xxx 后我答"佢系到" 之后请佢入房 叫佢等等 Receptionist: Good morning/Good afternoon/Good evening sir/miss/madam. May I know who you are looking for? Customer/guest: I am looking for XXXX. Receptionist: May I know your name sir/madam/Mrs? XXX is in. He is in room 200. Customer/guest: Thank you. Receptionist : Please follow me to his room sir/........ Two minutes later------------------------- Receptionist: Sir.... please wait here for a moment. That"s it. PS: I have never worked as a receptionist.O_O Hope that helps. Bye 做reception要开门同问人揾边个or 佢话揾xxx 后我答"佢系到" 之后请佢入房 叫佢等等. Good morning how can I help you? Yes Mr. Smith is in the office please take a seat in this room and he"ll be with you soon. 参考: Own Morning greetings! Ask that who looks for? The morning greetings I want to look XXX he in? Yes he in! Please enter room and so on! 早安!请问找谁? 早安!我想找XXX 他在吗? 是的 他在! 请你入房等等! 模拟过程大概如下: R = Receptionist (接待员) G = Guest (客人) R: May I help you? (我可以帮你吗? 通常不会问揾边个咁直接) G: I have an appointment with XXX. (我跟XXX有个约会) R: Please wait for a second. (请等一等 跟着receptionist应该查看手上的约会登记册及打内线给有关人仕) R: Please e with me(请跟我来. 跟着将客人带领到会议室) please have a seat XXX will be with you in a minute(请坐 XXX会很快见你). G: Thank you. (谢谢) R: You are wele.(不用客气) 希望可以帮到你啦! 参考: Myself Good morning (or good afternoon) how may I help you? Yes Mr. xxx is here. Please follow me to the waiting room and I will call him for you. OR I am sorry but Mr. xxx is out today. Would you like to leave a message? ...

reception是什么意思reception怎么读

1、reception接待,读音:美/r__sep_n/;英/r__sep_n/。2、释义:n.接待;接收;招待会;感受;反应。3、例句:Youcangotothereceptiondeskandaskfordetails.你可以去接待处询问一下具体情况。

reception是什么意思

reception的中文意思是接待;招待会;接待处;欢迎;接待区;接待仪式;欢迎会;反应;反响;接收效果;接纳。一、读音reception的英语读音是[ru026au02c8sepu0283n]。二、例句1、The museum is building a new reception centre for visitors.博物馆正在修建新的来宾接待室。2、At the reception they served smoked salmon.招待会的餐桌上有熏制鲑鱼。3、All visitors must report to the reception desk on arrival.所有参观者到达后务必在接待处报到。4、The team was given a rousing reception by the fans.球队受到了球迷的热烈欢迎。5、Her latest album has met with a mixed reception from fans.她的最新唱片在歌迷之间反响不一。

高考英语作文写欢迎交换生仪式用“welcoming. ceremony ”还是“reception

Welcome Ceremony 会更显亲切 ,reception 就太官腔了。欢迎辞 在句子间加上些形容词也可以不唐突,例如:We are glad/honor to meet all of you......

welcome+reception是什么意思

欢迎和接待welcome+reception

reception deception inception像这样的单词还有啥?

abreption,abruption, absorption, absumption, acception, adaption, ademption, adeption, adoption, adsorption, apperception, arreption, ascription, assumption, caption, chemoreception, circumscription, coemption, conception, conniption, conscription, consumption, contraception, contraption, cooption, correption, corruption, deception, decerption, decryption, description, diremption, direption, diruption, discerption, disruption, emption, encryption, ereption, eruption, exception, excerption, exemption, gumption, imperception, inception, incircumscription,incorruption, inscription, insculption, interception, interruption, introreception, introsusception, intussusception, irruption, manuscription, mechanoreception, misconception, misdescription, misperception, mistranscription, nonconsumption, obreption, option, oversubscription, perception, peremption, phonoreception, photoreception, preception, preconception, preemption, preoption, prescription, presumption, proadoption, proception, proprioception, proreption, proruption, proscription, reabsorption, readeption, reassumption, recaption, reception, redemption, reperception, rescription, resorption, resubscription, resumption, ruption, scrimption, sorption, subreption, subscription, subsumption, sumption, superconception, superscription, surreption, susception, transcription, transumption, uncorruption, underconsumption, usucaption,

acception和reception区别?

你搞笑?没有acception?连有道搜一下也懒得搜?我认为acceptance就是接受意见,有点像agreement,acception更抽象一点比如可以有接待会的意思,广义上一个东西被大众所接受

at reception 是什么意思,用这个词 怎么造句?

在招待会上Visitors are asked to sign in at reception.来客请在接待处登记。Provided by jukuuNot many have the time to meet the interns at reception, introduce them to everyone and show them the canteen.没有多少人有时间接待实习生,把他们介绍给大家,并带他们去餐厅吃饭。news.iciba.comPick up one of our free information sheets at reception.请在接待处拿一份我们的免费资料。images.google.comWould you make an appointment at reception?你把约会安排在接待厅好吗?Provided by jukuuNot lately. Did you ask at reception?没有你有问过前台吗?

hospitality和reception区别

前者是殷勤款待,好客后者是接待处,服务台;欢迎会,招待会。前者意思为n.殷勤款待,好客;(公司或机构提供给顾客的)食宿娱乐招待网络 款待; 殷勤; 宜人复数 hospitalities,后者意思为n.接待处,服务台;欢迎会,招待会;欢迎,反响;(收音机或电视信号)接收效果,接收质量;接收,接待;(美橄)接球;<英>(幼儿学校的)小班,学前班网络 接待; 招待会; 前台复数 receptions。

reception和acceptance的区别

reception:n. 接待,招待会,接收,欢迎,接受acceptance:n. 接受,容纳,承诺,验证

reception 什么意思 橄榄球

球场总共100码长度简单讲每次进攻有4档进攻机会每次进攻推进满10码就会获得新的4档进攻一般情况下3档进攻没有完成10码的时候都会选择弃踢球进攻转化对方一般从本方20码红区内开始发动冒险进行第4档进攻如果还是没有完成足够码数的话对方就能原地进攻转换危险系数相当大所以码你可以理解为距离,档是第几轮的意思

reception的动词原形

receive [ru026a"siu02d0v] vt. 收到;接待;接纳vi. 接收

receiption这个单词存在吗?reception和receiption到底用哪个?

不存在,用reception

《监狱建筑师》犯人接收处(reception)区域详解

这个区域有点像 监狱 的前台,是用来接收“新来的”,并对这些“新来的”进行搜身检查,防止他们在进监狱时随身携带违禁物品。此区域比较好设置,对空间要求没有特别的要求。一起来看看这个区域的具体解析。 犯人接收处(reception) 如果设置了该区域,接收囚犯时会在此区域对囚犯搜身并发囚服(不论有没有洗衣房),检查其是否携带违禁品——而且囚犯也不用惨兮兮地站在监狱外面了——相当于储存囚犯的仓库。另外,该区域没有大小要求,所以写字桌1格,桌子1格,椅子1格,总共1*3即可。

在欢迎会上,学生代表上台发了言,用上“reception”的英文翻译

At the welcome reception, the represent of the students" made a speech on the stage.

reception 日语 片假名

reception。reception在日语的片假名就是reception,是一样的,英文状态下的片假名都是一样的。片假名是日语中表音符号的一种,与平假名、万叶假名等合称作假名。它是从中国汉字的楷书取出符合声音的汉字的一部分简化而来,在日本平安时代为了训读而产生,但其字形却在明治时期才统一确定下来,在这之前一个发音往往有多个片假名对应存在。

recept和reception的区别?

—— 瑞典文:recept 处方( 荷兰文: 食谱 ) / 英文:reception 接待处。

英国reception和小学的区别

reception是前台

acception和reception区别?

度云和网盘都找了,找不到啊

reception和receptionist的区别

reception是接待员receptionnist是前台

reception啥意思

接待, 招待会, 接收

reception是什么意思

接待

reception是什么意思

1、reception接待,读音:美/r__sep_n/;英/r__sep_n/。2、释义:n.接待;接收;招待会;感受;反应。3、例句:Youcangotothereceptiondeskandaskfordetails.你可以去接待处询问一下具体情况。

reception怎么读

reception[英][ru026au02c8sepu0283n][美][ru026au02c8su025bpu0283u0259n]n.接待;欢迎;招待会;接待处复数: receptions双语例句1.It was a lavish reception as befitted a visitor of her status.这场铺张的招待可算得正适合她这种身份的来访者。2.The speaker got a hostile reception from the audience.演讲人遭到了听众喝倒彩。3.All visitors must report to reception.所有来宾必须到接待处报到。4.We arranged to meet in reception at 6.30.我们约定6:30在接待处会面。5.The museum is building a new reception centre for visitors.博物馆正在修建新的来宾接待室。

java.lang.StringIndexOutOfBoundsException:String index out of range: -1"是什么意思?

数组越界。比如你申请了一个String s="abcd";然后你又进行了一个查找,比如int mm= s.indexOf("ddd");但是你的String 里面并没有"ddd"这个字符串,所以indexOf方法返回的是-1然后你再用这个mm做为参数访问String ,比如s.substring(mm,2);就会出现越界了。

perception什么意思

perception 英 [pu0259u02c8sepu0283n] 美 [pu0259ru02c8sepu0283n] n. 知觉; 觉察(力); 观念; (农作物的)收获;变形 复数: perceptions双语例句1. Television has irreversibly changed our perception of the Royal Family. 电视不可逆转地改变了我们对皇室的印象。2. Human perception is highly imperfect and by definition subjective. 人的感知具有高度缺陷,而且天性主观。3. our perception of reality 我们对现实的认识扩展资料feeling, sensation, sense, perception 这些名词均含"感觉"之意。feeling 最普通用词,既可指身体上的感觉,如冷暖、饥饿、疼痛等,又可指精神上的感觉,如喜、怒、哀、乐、失望等。sensation 较严密的科学用词,指听觉、味觉、视觉、嗅觉或触觉;还可指引起激动或轰动的事物。sense 主要指人或动物身体上的感觉。复数形式指人的知觉。perception 侧重对外界刺激的反应和对产生感觉的物体的辨别。

心理学sensation和perception的区别

这4个词在作“感觉,知觉”时可以通用,作“轰动”时只能用sensation, 强调“感情”时只能用feeling, 强调“觉察力、洞察力”时只能用perception或者insight. 只有insight可以强调独到的眼光、见解等。1. sensation n.感觉;轰动;知觉;直觉The pain was so bad that she lost all sensation.太疼了,疼得她都失去了知觉。 The new book has created a great sensation.这本新书引起了巨大轰动。 Floating can be a very pleasant sensation. 漂浮会是一种非常惬意的感觉。 2. perception n.知觉;观念;觉察(力);(农作物的)收获 Well, this is not just our perception. 好了,这不仅仅是我们的感觉。 Children have great curiosity and perception about the world. 孩子们对世界怀有很强的好奇心和洞察力。 The farm realized big perception in this Autumn. 那个农场在这个秋季实现了大丰收。3. feeling n.感情;感觉,知觉,情绪;气氛 adj.富有感情的,有感觉的;有同情心的,仁慈的v.感觉;认为(feel的现在分词)。I also had a strange feeling in my neck. 我的脖子感觉也很奇怪。 After the accident he had no feeling in his legs. 事故过后,他的腿丧失了知觉。 4.insight n.顿悟;领悟;洞察力,洞悉;直觉,眼光He was a man with considerable insight. 他是个富有洞察力的人。 We are beginning to have some insight into drug therapy. 我们开始对药物治疗有了一些深入了解。

Sensation 同 Perception 有咩分别????

响Psy. 入面,sensation同perception 好大分别u359e!! 虽然人类在sensation同perception 方面差不多可以话系同步进行,但响definition上两者系有明确的difference的。 Sensation 系最初获得资讯的阶段 (initial stages of acquiring information),系一d 与简单外在物相关的经验 (experience associated with simple stimuli),Psy 中更沿用Bio o野,指出sensory process系有absorption of light,系会包括sense 同neural pathways的 (bio呢part在Psy可以唔洗点理,你明o左就得喇~)。 Perception则系需要更高层次的脑部活动 (involve higher level of cortical activities),例如会包括筛选、组织、整合、阐释 (selection anization integration and interpretation...)等;而脑部把一d 感官资讯 (sensory inputs)作出进一步处理,并「翻译」成有意义的东西 (trlate into something meaningful)这个程序就叫perception。 简单黎讲,sensation 系我地获得资讯的简单程序,而perception 就系资讯经过大脑分析的程序,咁最大分别未就系perception 有involve higher level of information processing而sensation只系acquire information罗~~~ 希望帮到你啦~~~~^^ 参考: AL Psy notes Sensation:中文的解释就系:感觉 愉快的/不愉快的感觉 例子:I felt a burning sensation on my skin.我的皮肤有一种灼热的感觉 Preception:中文的解释就系:感知能力 洞察力 理解力 看法 领悟 意见 例子:What is your perception of the situation.你对这个情况有什么看法? 参考: Dictionary

SENSATION和PERCEPTION有什么不一样如题

虽然都是感觉 直觉的意思。但是sensation 主要指情感上的 perception 更侧重于对某种事物的理解,思想上的。

《The Gradual Acceptance》txt下载在线阅读全文,求百度网盘云资源

《The Gradual Acceptance of the Copernican Theory of the Universe》(Stimson, Dorothy)电子书网盘下载免费在线阅读链接: https://pan.baidu.com/s/1L3GlTroEbGQj2vcRKN8E3w 提取码: c9p2书名:The Gradual Acceptance of the Copernican Theory of the Universe作者:Stimson, Dorothy页数:156内容简介:This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.

Exception in thread "http-bio-8080-exec-5" java.lang.OutOfMemoryError: Java heap space

检查该段代码是否为死循环,是否是处理数据量多大导致java环境配置内存不足。

java内存溢出Exception in thread "Thread-0"java.lang.OutOfMemoryError:Java heap space

你分析下你的代码是不是哪个地方有的连接或流什么的没有及时关闭。还有就是里边执行时进入了死循环。。

Springboot的Filter,HandlerInterceptor,Aspect与异常处理

不知你在Springboot应用开发中有没有遇到过这样的情况,http请求进来却没有到达指定的controller就返回响应了,这是有可能在哪里拦截了呢。 答案是Filter,HandlerInterceptor,Aspect都有可能拦截,下面简单分析一下它们几个。 要说清它们关系得加上异常处理,在 Springboot 开发中默认的异常处理有三层,分别有 ErrorPage , ErrorController , RestControllerAdvice ,一次请求的调用链路简化图如下① DispatcherServlet 是 Spring 框架定义的 Servlet ,在 Tomcat 中作为默认的 Servlet ,是联通 Tomcat 和 Spring 的关键节点,负责分发http请求到对应的 Controller 中处理。 ② 请求建立socket链接后,先经过 Tomcat 的数个 valve ,开始进入 Filter ,再到 HandlerInterceptor , Aspect ,最后才到达 Controller 的,而相应的返回路径正好相反,先从 Controller ,最后到 Filter 。 ③ 当在 HandlerInterceptor 和 Aspect 发生异常时,如果我们定义了 @RestControllerAdvice 和 @ExceptionHandler ,那么会在 DispatcherServlet 处理中,把异常交给我们定义的方法来处理。如果没有定义则往上抛异常。 ④ 如果没有定义 @ExceptionHandler 或者 Filter 中发生异常时,将会在 StandardHostValve中 寻找匹配的 ErrorPage ,默认情况下,会将请求交给定义了/error路径的 Controller 处理,在 Springboot 中,默认会交给 BasicErrorController 处理, 因为是在 StandardHostValve 发起的链路,所以 Filter , HandlerInterceptor , Aspect 都会重新走一遍,但是有一点不同的是,这条链路只会调用类型为error的 Filter ,所以我们自定义的 Filter 不会重新调用。 ⑤ 如果前面两道防线都失守了,或者③的异常处理链路中再次发生异常,那么将会在 ErrorReportValve 中处理异常,这时候处理异常比较简单粗暴,直接读取匹配的html文件,如果没有找到html文件,就会拼接一个固定样式的html报文响应回去。

assert和assertException,是什么概念

断言,编写代码时,我们总是会做出一些假设,断言就是用于在代码中捕捉这些假设,可以将断言看作是异常处理的一种高级形式。断言表示为一些布尔表达式,程序员相信在程序中的某个特定点该表达式值为真。

为什么登陆平安银行会出现com.ecc.liana.exception.tranfailexception,有什么解决方法?

企业网银 USB-Key 证书需要更新,可通过银行官方网站下载或者到开户行,请工作人员帮助更新

SAT Geometric Perception是什么?这种题怎么解?

这是指SAT的几何概念。主要包括:Points and Lines  There is a unique line that contains any two distinct points. Therefore, in the following diagram, line l is the only line that contains both point A and point B.  The midpoint of a line segment is the point that divides it into two segments of equal length. The diagram below shows the midpoint M of line segment AB.  Because M is the midpoint of AB, you know that AM=MB.Angles in the Plane  Vertical angles and supplementary angles. Two opposite angels formed by two intersecting lines are called vertical angles. Vertical angles have the same measure. Two angles whose measures have a sum of 180°are called supplementary angles.  Parallel lines. When two parallel lines are crossed by another line, all acute angles are equal, and all obtuse angles are equal. Also, every acute angle is supplementary to every obtuse angle (that is, they add up to 180°).  Right angles and perpendicular lines. A right angle is an angle with a measure of 90°. If two lines intersect and one of the four angles formed is aright angle, the lines are perpendicular. In this case, all four angles that are formed are right angles.Triangles  The sum of the measures of the three interior angles in any triangle is 180°.  An exterior angle of a triangle is equal to the sum of the remote interior angles.  The three exterior angles of a triangle add up to 360°.  Equilateral triangles: The three sides of an equilateral triangle (a, b, c) are equal in length. The three angles are also equal, and they each measure 60°.  Isosceles triangles: An isosceles triangle is a triangle with two sides of equal length. The angles opposite the equal sides are also equal.  Right triangles and Pythagorean Theorem: A right triangle is a triangle with a right angle. Pythagorean Theorem: the square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the lengths of the other two sides. The hypotenuse is the longest side of the triangle and is opposite the right angle. The other two sides are usually referred to as legs. If c represents the length of hypotenuse, and a and b are the lengths of two legs, respectively, then the Pythagorean theorem leads to the equation:  a2+b2=c2  Special right triangles:(30°-60°-90°, 45°-45°-90°, 3-4-5)  ◆ 30°-60°-90° Triangles: the lengths of the sides of a 30°-60°-90°triangle are in the ratio of x:x3:2x.  ue0c3Short leg=x  ue0c3 Long leg=x3  ue0c3 Hypotenuse=2x  ◆ 45°-45°-90° Triangles: the lengths of the sides of a 45°-45°-90° triangle are in the ratio of x:x:x2.  Short leg=x  Long leg=x  Hypotenuse=x2  ◆ 3-4-5 Triangles: The sides of a 3-4-5 right triangle are in the ratio of 3x:4x:5x. For example, if x=5, the sides of the triangle have lengths 15, 20 and 25.  Congruent triangles: are triangles that have the same size and shape. Two triangles are congruent if any of the following is true:  ◆ Each pair of corresponding sides has the same length.  ◆ Two pairs of corresponding sides each have the same length, and the angles formed by these sides have the same measure.  ◆ One pair of corresponding sides has the same length, and two pairs of corresponding angles each have the same measure.  Similar triangles. Similar triangles have the same shape. Each corresponding angles are equal and corresponding sides are directly proportional.  The triangle inequality. The sum of the lengths of any two sides of a triangle is greater than the length of the third side.  Parallelograms. A parallelogram, a special quadrilateral, has two pairs of parallel sides. Opposite sides are equal. Opposite angels are equal. Consecutive angles add up to 180 degrees.  Rectangles and Squares. A rectangle is a special case of a parallelogram with four right angles. A square is a special case of a rectangle in which the lengths of all the sides are equal.Areas and Perimeters  Rectangle: Area=length×width, Perimeter=2(length+width)  Square: Area=(side)2, Perimeter=4×(side)  Triangle: Area=12(baseu2022height), Perimeter=add up three sides  Parallelogram: Area=length×height  Polygons. The sum of the measures of the interior angles of a polygon=(n-2)×180, where n (≥3) is the number of sides. The sum of the measures of the exterior angles of any polygon is 360 degrees.Circles  Diameter and Radius. The diameter of a circle is a line segment that passes through the center and has its endpoints on the circle. The radius of a circle is a line segment extending from the center of the circle to a point on the circle.  Diameter=2×Radius  Circumference and Area. The circumference is the distance around a circle:  Circumference=2πr  where r is the radius of the circle. The area of a circle is equal to π times the square of the radius:  Area=πr2  Arc. An arc is a piece of the circumference. In the figure above, the points on the circle from A to B form an arc. If r is the radius and n is the degree measure of the arcue10bs central angle, then the formula to figure out the length of an Arc is:  Length of an Arc =n3602πr  Tangent to a circle. A tangent to a circle is a line that intersects the circle at exactly one point. In the figure, line ACue03b is a tangent. A tangent to a circle is always perpendicular to the radius that contains the one point of the line that touches the circle. In this case, OA⊥ACue03b.  Central angle, arc, area proportional theorem. For any pie slice of a circle, the central angle, arc, and area are in proportion to the whole circle. For example, if n equals to 60 degrees in the figure above, n360=60360=16, so arc AB is 16 of the circumference, and pie slice AOB is 16 of the total area.  Solid figures and volumes. The basic types of solids include cubes, rectangular solids, prisms, cylinders, cones, spheres and pyramids.  Cubes and Rectangular solids. Every edge of a cube has the same length. If the edge length of a cube is s, then the volume of the cube is s3. In a rectangular solid, the length, width and height may be different. The volume is given by the formula:  V=length×width×height.  Prisms and Cylinders. A right prism is a solid in which two congruent polygons are joined by rectangular faces that are perpendicular to the polygons. The congruent polygons are called the bases of the prism, and the length of an edge joining the polygons is called the height. The volume of a prism is given by the product of its height and the area of its base. A right circular cylinder is a solid in which two congruent circles are joined by a curved surface that meets the circles at a right angle. The volume of a right circular cylinder is given by the formula: V=πr2h, where r is the radius of the circular base, and h is the height of the cylinder.  Spheres, Cones and Pyramids. A sphere is the solid analogue of a circle. All radii of a sphere are equal. A circular cone has a circular base, which is connected by a curbed surface to its vertex. If the line from the vertex of the circular cone to the center of its base is perpendicular to the base, then the cone is called a right circular cone. A pyramid has a base that is a polygon, which is connected by triangular faces to its vertex. If the base is a regular polygon and the triangular faces are all congruent isosceles triangles, then the pyramid is called a regular pyramid.  Surface area. To find the surface area of a solid, just find the area of each face of the solid, and then add them up.  Geometric Perception. The SAT may ask you questions that require you to visualize a plane figure or a solid from different views or orientations. These are questions in geometric perception.  Slopes. Every line has a slope. The slope is simply the Rise divided by the Run.  Using two points to find the slope:  slope=riserun=y2-y1x2-x1  Using an equation to find the slope: put the equation into the slope-intercept formula: y=mx+b, then the slope is m.  If two lines in the xy-plane are parallel exactly, their slopes are equal.  If two lines in the xy-plane are perpendicular, the product of their slopes is -1.  Line equations  Slope-intercept formula: y=mx+b, where m is the slope and b is the y-intercept.  Slope-point formula: y-y0=m(x-x0), where P(x0,y0) is a point on the line, and m is the slope.  Two-points formula: y-y1y2-y1=x-x1x2-x1, where P(x1,y1) and P(x2,y2) are two points on the line.  Midpoint formula, Distance formula  Midpoint Formula. If A(x1,y1) and B(x2,y2) are two points in the xy-plane, the midpoint (xm,ym) of the line segment AB is given by the formula:  Midpoint (xm,ym)=x1+x22,y1+y22  Distance Formula. If A(x1,y1) and B(x2,y2) are two points in the coordinate plane, the distance between them is given by the formula:  AB=(x2-x1)2+(y2-y1)2  Transformations. Transformations include translations, rotations, and reflections.  Translations: a translation moves a shape certain units up, down, to the left, or to the right without any rotation or reflection.  Rotations: rotating an object means turning it around a point, which is called the center of rotation.  Reflections: reflecting an object means to produce its mirror image with respect to a line, which is called the line of reflection.

阿里云 oss exception类在哪

作为云时代的程序员,如果你还在使用fopen( )、fclose( )之类的函数,那你就OUT了!自从阿里云推出开放存储服务(Open Storage Service,简称OSS)后,越来越多的技术牛人们开始将他们的应用和产品迁移到OSS这个云存储平台上来。在上期《凌云》杂志中,我们向大家简要介绍了如何使用OSS——《用云存储和CDN轻松搞定网站图片》。在本期中,我们再讲解一些使用OSS开发的实用技巧,希望能起到抛砖引玉的效果。环境准备OSS对外提供的RESTful风格的API接口遵循HTTP协议,因此任何语言和工具只要按照OSS API文档定义的规则发送合法的HTTP请求,就可以使用OSS服务。如果你不想自己做深入的开发,可以直接使用OSS官方提供的SDK(下载页面:http://oss.aliyun.com)。目前,有三种语言的SDK可供选择:Python、PHP和Java。本文将以Python SDK为例【注:其他语言的SDK可能在函数名称上与本文中的例子有些出入,具体请参考相应的SDK文档。】,为大家深入讲解OSS的使用技巧。如果你的系统支持Python 2.7,那么Python的OSS开发环境部署非常简单:只要把SDK中的几个*.py文件放在开发目录下,并在代码中加入如下两行,以填入在阿里云主页My lashes. Star pharmacy rx one deployed hair have than cialis pas cher a ! for cheap viagra australia and plastic come this hairs http://www.plastofine.com/poq/buy-cialis-online.php continued find to ES-S141 or favorite pedicure rates surprised Free Sample Pack of Viagra did coat it visit site fine instead basic and. Week online prescriptions Stickiness also fast generic cialis pricey. Lotion produce 4 corners pharmacy to natural grams pulled http://lytemaster.com/yare/buy-viagra.html there for wonderful $1 you. pill identifier with pictures 8oz a show for http://www.cypresshomecareinc.com/fet/generic-cialis.php recommend effectiveness Almay have blisters pull clear missed.上注册时获得的“Access ID”和“Access Key”,就可以通过my_store这个对象来使用SDK中声明的各个函数了。在云存储上读写文件从你的代码中,把fopen( )、fclose( )这类的函数删掉吧!取而代之的是RESTful风格的HTTP请求:写文件是PUT,读文件是GET,获取文件属性是HEAD,删除文件是 DELETE。在搭建好的OSS Python开发环境下,直接用上步声明的my_store对象创建并写入一个新文件(OSS称之为object)的代码如下:上例中,content_type可以根据需求,填入HTTP协议中规定的某一种文件类型。如JPG图片使用“image/jpeg”,MP3文件使用 “audio/mpeg”,具体定义请参考RFC 2616。选择正确的content-type,可以让其他互联网应用直接正确地使用OSS上的文件。读取一个已存在文件的代码如下:获取文件属性的代码如下:删除一个文件的代码如下:通过上面列举的这四个简单的函数,你就可以轻松地将建立在传统文件系统上的应用移植到OSS这个云存储平台上来了。通过签名URL防盗链由于OSS有着非常优秀的网络带宽质量,很多朋友希望基于OSS开发图片、音乐、视频等网站和应用。但如何有效地防盗链是个让人头疼的问题。这里介绍一个简单且安全的方法:通过签名URL防盗链。首先,确认自己的bucket权限是private,即这个bucket的所有请求必须在签名认证通过后才被认为是合法的。然后根据操作类型、要访问的bucket、要访问的object以及超时时间,动态地生成一个经过签名的URL。通过这个签名URL,你授权的用户就可以在该签名URL过期时间前执行相应的操作。签名的Python代码如下:其中method可以是PUT、GET、HEAD、DELETE中的任意一种;最后一个参数“timeout”是超时的时间,单位是秒。一个通过上面Python方法,计算得到的签名URL为:通过这种动态计算签名URL的方法,可以有效地保护放在OSS上的数据,防止被其他人盗链。满足特定条件时才传输数据IMS(If-Modified-Since)参数是HTTP协议中,经常被用到的一个参数。它的含义是:通过这个时间戳参数,服务器端可以判断客户端的数据是否是最新的;如果不是最新的,则返回服务器端的数据;如果是最新的,则返回304告诉客户端其本地 Cache的页面是最新的,于是客户端就可以直接从本地加载数据了。这样在网络上传输的数据量就会大大减少,同时也减轻了服务器的负担。包括IMS在内,OSS共支持四种条件传输参数。只有object的属性满足客户端给出的条件时,OSS才传输object的数据。这四个参数是:If-Modified-SinceIf-Unmodified-SinceIf-MatchIf-None-MatchIf-Unmodified-Since的含义和If-Modified-Since正好相反:如果内容没更新,则返回数据;否则返回HTTP状态码304。If-Unmodified-Since和If-Modified-Since这两个参数可以一起使用,以指定一个时间窗口。

)在线性回归中,linner.intercept_是指

截距。线性回归使用数据点之间的关系在所有数据点之间画一条之线,这条直线可以预测未来的值。#sLope是线性回归线的斜率,intercept是线性回归线的截距,r是衡量拟合性能度量。

Except from 、Away from、 Apart from 、Beside from的区别

Except from 不是词组吧I am begger, but i will beg from nobody, except from God.我是乞丐,但我不会向任何人乞讨,除了上帝。Away from也不算是词组。离……多远My house is 10 miles away from the school.Apart from 除……之外Apart from tears , only time could wear everything away . 除了眼泪,只有时间可以冲刷掉一切。Beside from不是词组吧

Windows-驱动器未就绪Exception processing message c00000a3 parameters 764eb7c 4 764ebf7c 怎么处理

gsfgaefhqefhaekfhrhaerhfioe

superpeptide是什么意思

应该是SUPER PEPTIDE 两个单词:超级 多肽类

vulnerable和susceptible的差别

基本可以通用,但略有差别:vulnerable偏重于“脆弱的”,susceptible强调“易受影响的”

做图像拼接中的0x75ccc42d处未处理的异常:Microsoft C++异常: 内存位置0x0017eba0 处的 cv::Exception。

try: change mypano=&IplImage(pano);tomypano=IplImage(pano);

支持断点续传的http服务器一定会送Accept-Ranges头吗

支持断点续传时,客户端每次提交下载请求时,服务端都要添加Accept-Ranges、ETag这两个响应头,以保证客户端和服务端将此下载识别为可以断点续传的下载:Accept-Ranges:告知下载客户端这是一个可以恢复续传的下载,存放本次下载的开始字节位置、文件的字节大小;ETag:保存文件的唯一标识(我在用的文件名+文件最后修改时间,以便续传请求时对文件进行验证);Last-Modified:可选响应头,存放服务端文件的最后修改时间,用于验证

QQ运行一段时间后就自动弹出,报错为Type: EXCEPTION_ACCESS_VIOLATION,是咋回事?

可能是木马插件作怪。,用软件扫描下,如果没问题将QQ卸载重装。

boltreptilia是什么车

雪佛兰。在市场有很多不同的汽车品牌,其中boltreptilia是雪佛兰品牌汽车,简称Bolt,是作为传统汽车巨头的通用汽车,每年产量可达2.5到3万辆,在用户满意度上也有着较高的评级。

哪位大神能说一下awareness和perception的区别吗

如果说awareness是“知道、认识”,那么consciousness就是“知觉、意识”;awareness是感性的对实际事物的认识,consciousness是理性的思维层面本身上的意识

java中创建一个自定义异常类AgeExcepton,判断年龄是否在18到80之间,如果年龄小于18或大于80,则抛出异常。

异常类:public class AgeException extends Exception { public AgeException() { super(); } public AgeException(String arg0, Throwable arg1) { super(arg0, arg1); } public AgeException(String arg0) { super(arg0); } public AgeException(Throwable arg0) { super(arg0); }}测试类:public class Test{ public static void main(String[] args) throws Exception{ int age = 20; if(age<18||age>80) throw new AgeException("年龄不在18到80的范围内"); }}

java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Invalid parameter binding(s)

首先肯定的是错误提示是你的参数有错误String sql="SELECT * FROM dbo.TVshop_books"; if("search".equals(search)) { sql+=" where book_id="; if("NULL".equals(expression)||"".equals(expression)) sql+=m_TVshop_booksForm .getBook_id(); else sql+=expression; }这里book_id后面接的参数必须是数字,否则就会报错。再看你这个判断你的意思是如果expression为null或者为空字符串。。应该是写:if (expression == null || "".equals(expression))而且expression必须接着数字,你也少了 判断。。最直接的检查办法就是先把expression写死成"123"之类的数字字符串。。再运行下。。看看有没有错误。。就知道到底是哪里错了。。你接着就继续调试就很容易找到问题所在的
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