"circular"是什么意思

十三水墨2022-10-04 11:39:541条回答

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andylee222 共回答了17个问题 | 采纳率100%
circular英[ˈsɜ:kjələ(r)]美[ˈsɚkjəlɚ]adj.x09圆形的;环行的;迂回的,绕行的;供传阅的,流通的n.x09通知,通告;印制的广告,传单名词复数:circulars[例句]Gone are the iconi...
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That would be the same
Because if you track with half the radius,
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v(new)= w/r(new)= 2 * (w/r(old))= 2v(old)
It's the same value when you double your speed.
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先看一下题意:
正方体棱柱内切于一个圆柱内.也就是说棱柱的底面是正方形,正方形内切于圆柱.知道圆柱底面的半径是3,圆柱高为6.隐含意思就是棱柱的高为6.而题意的意思其实就是要你算出圆柱体内,除了棱柱的体积,剩下的体积是多少?也就是圆柱体的体积减去棱柱的体积.
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先求圆柱体的体积,很简单,底面积乘以高.3.14乘以3的平方,再乘以6.结果是169.56.
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差积为:169.56-108=61.56.即你说的61.6.
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一个正圆柱体,高6,体积为54π(派),求底面圆周长?
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圆柱体体积公式:V=SH 体积=底面积乘以高 底面积为9π
圆的面积公式:S=π乘以R(半径)的平方 所以R=3
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根据所给的英文释义写出下列单词1.( ) a circular object connected at the cent
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2.( ) either of two children born to the same mother on the same occasion
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2.twin
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连接OB、BC,

∴∠BOC=2∠A=2θ,
∴AB=AC▪cosθ=4cosθ,
弧BC=πAC▪(2θ/2π)=4θ,
设”the woman's travel time“为T(θ),
则T(θ)=AB/2+BC/4=2cosθ+θ,
∴T(θ)的导函数T'(θ)=1-2sinθ,
令T'(θ)=0,sinθ=1/2,θ=π/6,
当θ∈(0,π/6)时,T'(θ)>0,T(θ)单调递增,
当θ∈(π/6,π/2)时,T'(θ)<0,T(θ)单调递减,
T(0)=2,T(π/2)=π/2,

∴T(0)>T(π/2),
∴the woman should walk around the lake from Point A to Ponint C.
故答案为:π/2.
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解题思路:设大圆的半径为R,小圆的半径为r,根据阴影的面积为两个直角三角形的面积之差,可得R2-r2=50,又知圆环的面积为两个圆的面积之差,据此即可解得答案.

设大圆的半径为R,小圆的半径为r,
∵AO⊥BO,
∴阴影的面积为两个直角三角形的面积之差,
∴R2-r2=50,
∵圆环的面积为两个圆的面积之差,
∴圆环的面积=π(R2-r2)=50π=157cm2
故选B.

点评:
本题考点: 面积及等积变换.

考点点评: 本题主要考查面积及等积变换的知识点,首先根据阴影的面积求出两个圆的半径之间的关系,然后计算圆环的面积,本题解答比较巧.

As in figure 2.In the circular ring of which center is point
As in figure 2.In the circular ring of which center is point O.if OA垂直OB,and the area中文什么意
奔跑的莎皮狗1年前2
飞翔的乐章 共回答了18个问题 | 采纳率83.3%
如图二所示,以O为圆点的圆,如果OA垂直OB,然后,面积.
英语翻译Pls check below e-mail for Circular Saw Blades,if you ca
英语翻译
Pls check below e-mail for Circular Saw Blades,if you can do it,pls advise.
Looking forward to your reply.
Tks with brgds,
Ken
Attached herewith two pages of the catalogue for Circular Saw Blades.The code numbers
mentioned therein are of our Italian supplier.
Search manufactures for similar items and we need one piece each of their samples for the tick-marked items
in both pages attached.
Further,we are sending by FedEx a sample of the saw blade for which we need their sample in following two types:
200 mm x 4.3/5.5 x 30 z = 36
150 mm x 4.3/5.5 x 30 z = 36
Thickness and middle hole must be exactly same as per this sample.Note that these blades are of carbide,not diamond.
Upon receiving the sample,inform us with price quotes along with availability.
We will be having regular requirements upon confirmation of sample and price.
Awaiting your reply.
乖颖颖1年前2
喜欢蓝色_eva 共回答了18个问题 | 采纳率77.8%
请检查以下的电子邮件对圆锯片,如果你能做到,请告诉我们.
期待着你的回复.
与brgds武林外传,

随表格附上两页圆锯片的目录.代码编号
其中提到我们的意大利供应商.
搜索制造业对类似的物品,我们需要一块的样品都tick-marked物品
在这两页一并附呈.
进一步,我们现寄去的样品,联邦快递锯片,因为我们需要他们的样品在以下两种类型:
200毫米×4.3/5.5×30 z = 36岁
150毫米×4.3/5.5×30 z = 36岁
厚度和中间窗孔必须完全相同的按这个样品.注意这些叶片是硬质合金,不是钻石.
收到样品,请及时通知我们随着价格报价的可用性.
我们将坚持要求确认的样品和价格.
等待你的回复.
A sheet of tin is cut so as to form a circular ring that has
A sheet of tin is cut so as to form a circular ring that has an area of 18 square inches.The total outer and inner perimeters of the ring measure 36 inches.Find the inner radii and the outer radii of the ring.Use area of circle=派r^ circumference=2派r and 派=3.14.Give the answer to three significant figures
WUX8DI1年前1
miaoj123 共回答了16个问题 | 采纳率81.3%
pi*(r1^2-r2^2)=18 and 2*pi*(r1+r2)=36,第一个公式按平方差展开,再代入第二个公式,可以得到r1=r2+1,代回第二个公式可得:r1=(19+pi)/2pi,r2=(19-pi)/2pi
英语翻译"Loving a child is a circular[A1] business.The more you
英语翻译
"Loving a child is a circular[A1] business.The more you give,the more you get,the more you want to give." Penelapy Leach once said.What she said proves to be[A2] true of my blooded family
[A1]Circular 循环的 [A2]Prove to be 结果是;证明是
zhoulaw1年前4
QQAZ123 共回答了12个问题 | 采纳率83.3%
爱孩子是一个循环的事.你付出的越多,得到越多,你越想再付出.”penelapy Leach 曾说.她所说的话在我的家人身上得到了证实.