A good exercise: do it in cylindrical and see if you get the same thing.
这是很好的练习，在柱坐标下再算一次，看看结果一不一样。
While it's difficult to visualize a five-dimensional object in our three-dimensional space, black strings would be cylindrical, researchers said.
研究人员说，虽然我们很难想象在三维空间里可以看到五维的物体，可是黑弦将会是圆柱形的。
During auditing, Haggis grasped a cylindrical electrode in each hand; when he first joined Scientology, the electrodes were empty soup cans.
听析过程中，哈吉斯每只手握一个圆柱形的电极；当他第一次加入山达基时，电极就是空的汤罐头盒。
Rollit is a cylindrical experimental house that includes everything you’d need in a home for one.
罗利特是一个圆柱体的实验房屋，包括在居家中需要的所有东西。
One day, physicist Ho-Kei Chan of Trinity College Dublin was playing with steel ball bearings, trying to pack them into a little cylindrical tube in the most efficient way possible.
一天，都柏林大学圣三一学院的物理学家陈和奎正拿着一些铁珠玩耍，试图将他们以最有效的方法装进一个小的圆柱型管子里。
A mechanical arm then emerges, pulls the bike into a cylindrical well and stores it at high speed in a free location.
然后从树里会伸出一个机械臂，把自行车拉入一个圆柱形存放井里，并以很快的速度把自行车存放在空闲存车位里。
Let me assume that it wraps around the jumper to make a cylindrical shape. Here is sketch.
让我们假设这些纸将跳楼者围起来形成一个圆柱形。
For the particle-separation experiments, the researchers covered a large Lego board with cylindrical Lego pegs and placed the board vertically in a fish tank filled with glycerol, a viscous liquid.
在做颗粒分离实验时，研究人员在一块大乐高板上插满了圆柱状乐高钉，然后把板垂直放入盛满粘性液体甘油的鱼缸。
And cylindrical foods really do pose a choking hazard, compounded when you introduce children to the equation.
考虑到你交给你的孩子们这个等式的时候，类似圆筒状的食物的确会形成一种被噎住的危险。
The company will place a corpse in a biodegradable bag and then lower the body feet first into a cylindrical hole about 76.2cm in diameter and 2.89m deep.
该公司称，他们将首先用一个可降解的袋子把尸体包裹起来，然后将尸体自下而上徐徐放入一个直径为76.2厘米、深度为2.89米的圆柱形洞里。
Naturally lit by a roof cylindrical skylight that creates a vertical strik that can reach the bottom part of the stairs.
它自然地将柱形的天光从顶楼直接引向底楼，光线垂直一击直至楼梯的底部。
Unlike the flat cylindrical tubes of traditional needles, two serrated shanks form their needle's exterior, while a central shaft slides between.
和平滑的圆柱形传统针头不同，这种针头的外部是两段锯齿条，中空的部分可以在锯齿条之间滑动。
These tubes are cylindrical carbon molecules with a unique honeycomb-like arrangement of atoms.
碳纳管是圆柱形的碳分子，它是由碳原子排列成一种独特的类似蜂窝状的结构组成的。
Eighthly, one should drink out of a good breakfast cup - that is, the cylindrical type of cup, not the flat, shallow type.
第八，应该用好的早餐杯-也就是圆柱状杯子，而不是平底浅杯来喝茶。
Dr Fauve's model of the Earth's core was a cylindrical tank some 50cm long filled with liquid sodium.
Fauve博士的地心模型是一个50厘米长的圆柱形容器，里面装有液态钠。
Well, yes, we probably want to use part of a cylindrical coordinate, r except for, well, we don't want r because r doesn't change, it is not a variable here.
我们需要用到哪些坐标，我们也许会用一部分柱坐标，但有一个例外，即我们不需要,因为它不变，r在这里不是个变量。
The active reactor zone is a laying of graphite blocks with cylindrical fuel apertures.
主动反应堆区域由石墨包裹的圆柱形燃料棒堆积排列而成。
By cutting the edges off a cylindrical one, he stopped it from rolling off a table.
通过削去圆柱形笔体的边缘，使铅笔不那么容易滚下桌子。
If you imagine that you have this big cylindrical type in front of you, hopefully you can see that a normal vector is going to always be horizontal.
想象一下，你的面前有一个大圆柱，希望大家可以想象到，其法向量总是水平的。
If a cylindrical capsule containing a suitable gas is inserted into the hole, the atoms of the gas become ionised.
如果把装有合适气体的圆柱形容器插人灯里，气体原子就会变成离子。
A prefix of cylindrical roller bearing codes identifies the design.
一个前缀的圆柱滚子轴承代码标识设计。
The piston is a cylindrical shaped hollow part that moves up and down inside the engine cylinder.
活塞是一个中空的圆柱体形状部件，其在发动机气缸里做上下往复运动。
The needle roller bearing is a cylindrical roller bearing with thin, long rolling elements.
滚针轴承是拥有薄的，长的滚动体的圆柱滚子轴承。
The two clouds of oppositely charged particles are then superimposed by adjusting electrical fields in a cylindrical "mixing trap" lined with detectors.
相对的充满粒子的二团云然后在与探测器相连的圆筒形“混合线圈”中受电场调整为分层。
In the bird embryo these bristles erupt from tiny patches of skin cells called placodes. A ring of fast-growing cells on the top of the placode builds a cylindrical wall that becomes a bristle.
鸟胚中的刚毛结构来自于被称为基板（placode）的微小皮肤细胞结构，基板顶端快速增殖的细胞环形成了刚毛的圆柱井结构。
In the bird embryo these bristles erupt from tiny patches of skin cells called placodes. A ring of fast-growing cells on the top of the placode builds a cylindrical wall that becomes a bristle.
鸟胚中的刚毛结构来自于被称为基板（placode）的微小皮肤细胞结构，基板顶端快速增殖的细胞环形成了刚毛的圆柱井结构。
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