penetration

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Internet penetration rate意思：互联网普及率。双语例句：1、It is not surprising then that high-speed Internet penetration rate is below 1 percent in Africa, compared to close to 30 percent in some high-income countries.因此，与高收入国家高达30%的高速互联网使用率相比，非洲高速互联网的使用率低于1%就不足为奇了。2、JILLIAN YORK: "The Internet penetration rate of those three places is fairly low. 约克：“尼泊尔等3个地方的互联网普及率相当低，而我认为埃及的互联网人群是那3个地区总和的近20倍。

市场渗透率

One of the most common in-situ tests is the standard penetration test，or SPT. This test was originally developed in the late 1920s and has been used most extensively in North and South America，the United Kingdom，and Japan. Because of this long record of experience， the test is well established in engineering practice. Unfortunately，it is also plagued by many problems that affect its accuracy and reproducibility and is slowly being replaced by other test methods，especially on larger and more critical projects.The test procedure was not standardized until 1958 when ASTM standard D1586 first appeared. It is essentially as follows:1) Drill a 60 to 200 mm ( 2. 5 － 8 in) diameter exploratory boring to the depth of the first test.2) Insert the SPT sampler ( also known as a split-spoon sampler ) into the boring. The shape and dimensions of this sampler are shown in Figure 6. 1. It is connected via steel rods to a 63. 5 kg ( 140 lb) hammer，as shown in Figure 6. 1.3) Using either a rope and cathead arrangement or an automatic tripping mechanism，raise the hammer a distance of 760 mm ( 30 in) and allowit to fall. This energy drives the sampler into the bottom of the boring. Repeat this process until the sampler has penetrated a distance of 450 mm ( 18 in) ，recording the number of hammer blows required for each 150 mm ( 6 in) interval. Stop the test if more than fifty blows are required for any of the intervals，or if more than one hundred total blows are required. Either of these events is known as refusal and is so noted on the boring log.4) Compute the N value by summing the blowcounts for the last 300 mm ( 12 in) of penetration. The blowcount for the first 150 mm ( 6 in) is retained for reference purposes，but not used to compute N because the bottom of the boring is likely to be disturbed by the drilling process and may be covered with loose soil that fell from the sides of the boring. Note that the N value is the same regardless of whether the engineer is using English or SI units.5) Remove the SPT sampler; remove and save the soil sample.6) Drill the boring to the depth of the next test and repeat steps 2) through 6) as required.Figure 6. 1 The SPT sampler in place in the boringThus，N values may be obtained at intervals no closer than 450 mm ( 18 in) .Unfortunately，the procedure used in the field varies，partially due to changes in the standard，but primarily as a result of variations in the test procedure and poor workmanship. The test results are sensitive to these variations，so the N value is not as repeatable as we would like. The principal variants are as follows:1) Method of drilling.2) Howwell the bottom of the hole is cleaned before the test.3) Presence or lack of drilling mud.4) Diameter of the drill hole.5) Location of the hammer ( surface type or down-hole type) .6) Type of hammer，especially whether it has a manual or automatic tripping mechanism.7) Number of turns of the rope around the cathead.8) Actual hammer drop height ( manual types are often as much as 25 percent in error) .9) Mass of the anvil that the hammer strikes.10) Friction in rope guides and pulleys.11) Wear in the sampler drive shoe.12) Straightness of the drill rods.13) Presence or absence of liners inside the sampler ( this seemingly small detail can alter the test results by 10 to 30 percent) .14) Rate at which the blows are applied.As a result of these variables，the test results will vary depending on the crewand equipment.Fortunately，automatic hammers are becoming more popular. They are much more consistent than hand-operated hammers，and thus improve the reliability of the test.Although much has been said about the disadvantages of the SPT ，it does have at least three important advantages over other in-situ test methods. First，it obtains a sample of the soil being tested. This permits direct soil classification. Most of the other methods do not include sample recovery ，so soil classification must be based on conventional sampling from nearby borings and on correlations between the test results and soil type. Second，it is very fast and inexpensive because it is performed in borings that would have been drilled anyway. Finally ，nearly all drill rigs used for soil exploration are equipped to perform this test，whereas other in-situ tests require specialized equipment that may not be readily available.

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客户渗透

deep penetration长驱直入;深熔

cable penetration ==> 电缆穿墙

cervix penetration的中文翻译cervix penetration 宫颈渗透

双渗透的意思。学习英语的重要性①英语是当今世界上主要的国际通用语言这一，也是世界上最广泛使用的语言。据1986年的统计， 世界上以英语为母语的人近4亿，差不多每十个人中就有一个人讲英语。英国、美国、加拿大、澳大利亚、新西兰等国家的人都讲英语。世界上约有20国家把英语作为官方语言或第二语言使用，共计约有8亿人。也就是说，世界上差不多每五个人中有一个人至少在一定程度上懂英语。若加了世界各国中小学生学习英语的人数，懂英语的人就更多了。 学习英语的重要性②英语的使用范围非常广泛。世界上70%以上的邮件是用英文写或用英文写地址的。全世界的广播节目中，有60%是用英语进行的。国际上的资料绝大部分是用英语发表的。绝大部分的国际会议是以英语为第一通用语言,它也是联合国的正式工作语言之一。总之，在国际政治、军事、经济、科技、文化、贸易、交通运输等领域，英语是一个重要的交际工具。随着我国对外开放的不断扩大化,科技术的不断进步,国际地位的不断提高,迫切需要造就一大批精通外语的专门人才,以加速我国“四化”进程，使我国在国际事务中发挥更大更积极的作用。因此，学好英语对实现上述目标具有重要大的现实意义和深远的历史意义。

零售金融入侵

double penetration 双重穿透网络释义1. 双插例句:1.Double penetration makes women smile. 双重插入会让女人笑开颜.

渗透，突破，侵入，洞察力

双插入；双渗透penetration [英]u02ccpenu026au02c8treu026au0283n [美]u02ccpu025bnu026au02c8treu0283u0259n n. 渗透;穿透;[军]突破;洞察力

penetration rate 穿进速率 [机] 穿透率 [物] 钻孔速度 [矿业]

Market-penetration市场渗透双语对照例句:1.Is apple about market-penetration strategies, or is it about fabulousnew stuff? 苹果是要执行市场渗透策略，还是真的有传说中的新武器？

双渗透的意思。学习英语的重要性①英语是当今世界上主要的国际通用语言这一，也是世界上最广泛使用的语言。据1986年的统计， 世界上以英语为母语的人近4亿，差不多每十个人中就有一个人讲英语。英国、美国、加拿大、澳大利亚、新西兰等国家的人都讲英语。世界上约有20国家把英语作为官方语言或第二语言使用，共计约有8亿人。也就是说，世界上差不多每五个人中有一个人至少在一定程度上懂英语。若加了世界各国中小学生学习英语的人数，懂英语的人就更多了。 学习英语的重要性②英语的使用范围非常广泛。世界上70%以上的邮件是用英文写或用英文写地址的。全世界的广播节目中，有60%是用英语进行的。国际上的资料绝大部分是用英语发表的。绝大部分的国际会议是以英语为第一通用语言,它也是联合国的正式工作语言之一。总之，在国际政治、军事、经济、科技、文化、贸易、交通运输等领域，英语是一个重要的交际工具。随着我国对外开放的不断扩大化,科技术的不断进步,国际地位的不断提高,迫切需要造就一大批精通外语的专门人才,以加速我国“四化”进程，使我国在国际事务中发挥更大更积极的作用。因此，学好英语对实现上述目标具有重要大的现实意义和深远的历史意义。

double penetration双渗透penetration[英][u02ccpenu026au02c8treu026au0283n][美][u02ccpu025bnu026au02c8treu0283u0259n]n.渗透; 穿透; [军]突破; 洞察力; 复数：penetrations 例句:1.Lenovo chief executive yang yuanqing said this week that the company"s pc business has room for growth in emerging markets where pc penetration is still low. 联想集团首席执行长杨元庆最近表示，该公司的个人电脑业务在个人电脑渗透率仍然较低的新兴市场存在增长空间。

PENETRATION INDEX（针入度）标准圆锥体（一般共载重150克，也有规定100克的）在5秒钟内沉入保温在25℃时的润滑脂试样中的深度。单位是1/10毫米。针入度愈大表示润滑脂愈软，即稠度愈小；反之则表示润滑脂愈硬，即稠度愈大。沥青的针入度测定，不用标准圆锥体而用载重共100克的标准尖针。测定的条件与润滑脂相同。

penetration 在燃烧器方面 是指将燃料喷射入燃烧用空气。penetration level可以简单说为喷射等级，是反映喷射雾化程度的指标。

penetration [,peni"treiu0283u0259n] n. 渗透；突破；侵入；洞察力（有道翻译）其实就是干涉检查（也叫穿透检查）！用这个命令可以检查操作的零件是不是有干涉！用法：点击tool / penetration / check左边目录树辉出现penetration树里面有干涉的处数！帮助里面有例子你可以看看！

triple penetration三渗透penetration[英][u02ccpenu026au02c8treu026au0283n][美][u02ccpu025bnu026au02c8treu0283u0259n]n.渗透; 穿透; [军]突破; 洞察力; 复数：penetrations例句:1.Lenovo chief executive yang yuanqing said this week that the company"s pc business has room for growth in emerging markets where pc penetration is still low. 联想集团首席执行长杨元庆最近表示，该公司的个人电脑业务在个人电脑渗透率仍然较低的新兴市场存在增长空间

double penetration双阳具插入The concept of soil sensitivity is introduced briefly. The method of measuring soil sensitivity by the ratio of side friction resistances from single bridge and double bridge cone penetration test is put forward for the first time. 介绍了土体灵敏度的概念，提出了用单桥静力触探和双桥静力触探测定的侧摩阻力的比值来确定土体灵敏度的方法。

渗透的意思。penetration，英语单词，名词，意思是“渗透、突破、侵入、洞察力”。penetrate它可以表示“渗透”，也可以表示“穿刺”。其名词形式是penetration。另外有两个衍生的形容词：penetrable（可穿透的）、unpenetrable（不可穿透的）。

penetration和permeation的区别两个单词词义接近,区别不是很大.penetrationn.渗透;穿透;[军]突破;洞察力;permeationn.渗入，透过;

渗透；穿透；[军]突破；洞察力

n.渗透;穿透;[军]突破;洞察力

penetration:渗透

　　penetration英 [u02ccpenu026au02c8treu026au0283n] 美 [u02ccpu025bnu026au02c8treu0283u0259n]　　n.渗透; 穿透; [军] 突破; 洞察力;　　[网络]穿入; 侵入; 穿过;　　[例句]The high penetration, high resolution and anti-stealth capabilities of terahertz radiation are studied.　　对太赫兹辐射具有的高穿透性、高分辨率和反隐身能力进行了研究。　　[其他]复数：penetrations 形近词： penetrative penetrating impetration