它是圆柱形的。
Recent expeditions have taken ice samples from green icebergs and ice cores—vertical, cylindrical ice samples reaching down to great depths—from the glacial ice shelves along the Antarctic continent.
近代的探险队已经从绿色冰山和冰核中带回了一些冰块样本，这些样本呈垂直的圆柱状，是沿着南极洲大陆的冰川冰架从极深的位置中取出的。
It was an ideal wave, smooth and cylindrical.
这是个非常理想的波浪，平滑呈圆柱形。
Actually, that's the same with cylindrical coordinates.
事实上，柱坐标中也是如此。
The millimeter-wave machine is grayish-white and is more cylindrical.
而毫米波扫描仪则是灰白色的，有些像圆柱形。
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。
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。
The basic shape of the rollers and raceways of cylindrical roller bearings is cylindrical.
圆柱滚子轴承的滚子和滚道的基本结构类型是圆筒形的。
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。
We have rectangular coordinates, we have cylindrical coordinates and we have spherical coordinates.
我们有直角坐标系，有柱坐标系和球坐标系。
The splot command is Cartesian by default but can also support spherical and cylindrical coordinates.
splot命令默认使用的是笛卡儿坐标系，不过也可以支持球面或柱面坐标系。
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。
Most of the samples analysed by Ingrain start as cylindrical cores brought up from deep below the Earth’s surface by drills.
Ingrain开始分析的大部分样本都来自于地下深层钻探得到的圆柱形岩石核。
Most of the samples analysed by Ingrain start as cylindrical cores brought up from deep below the Earth's surface by drills.
Ingrain开始分析的大部分样本都来自于地下深层钻探得到的圆柱形岩石核。
Dr Hanke and Mr Wieskotten then tested Henry with the wakes of paddles of different shapes: triangular, cylindrical, flat and undulating.
汉克博士和威斯·科顿接着会使用不同形状的桨——三角形、圆柱形、平板形以及波浪形——的尾流对亨利进行测试。
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。
Henry successfully distinguished between the flat and cylindrical paddles, the flat and undulating paddles and the undulating and cylindrical paddles.
亨利成功分辨出平板和圆柱形的，平板和波浪形的，以及波浪和圆柱形的桨。
The perimeter of the cylindrical building is lined with classrooms and waiting areas, so that children can daydream while looking out the window and gazing at the old tree.
教室和等候区围绕了这座圆柱形建筑，而孩子们便可以看着窗外，凝视着这棵树而发呆。
Both it and its descendants, so-called buckytubes, which are cylindrical molecules made of pure carbon, are still much admired, but they have not yet lived up to their promise.
富勒烯被发现时也曾被誉为神奇物质，它及其被称为巴克管的由纯碳组成的圆柱形分子衍生物，至今被人们所推崇，但是它们都没有达到人们所预期的高度。
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。
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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