spherical

1. Only galaxies with a spherical bulge—like component appear to accommodate supermassive black holes.: 只有拥有球形膨胀物质的星系才可能容纳超大质量的黑洞。

2. Leaves that have tons of tiny hairs, like a fern, can hold spherical water droplets in focus above a leaf's surface.: 拥有大量微小绒毛的叶子，如蕨类植物，可以将球形水滴聚集在叶子表面。

3. Think of a three-dimensional spherical black hole that's copied and stacked out in one direction to create an oblong shape.: 设想一个三维的球状黑洞，把它复制和堆放在一个方向上，就会构成一个长方形的形状。

4. It is amazing that this ultra-modern TV tower combines ancient concepts such as the spherical pearls, with technology, commerce, recreation, educational and conference facilities of the 21st century.: 令人惊叹的是，这座超现代的电视塔将古老的概念，如球形的珍珠，与21世纪的技术、商业、娱乐、教育和会议设施相结合。

5. Nuclei with closed-shell have spherical symmetries.: 闭壳核具有球对称性。

6. Ball nut, a fixed spherical nut driven by the jackscrew for flap and stabilizer movement.: 球形螺母，由顶头螺钉驱动的固定球形螺母，用于翻板和稳定器运动。

7. The motion of spherical pendulum in z-direction is described by nonlinear oscillation equation.: 用非线性振动方程描述了球摆在 z 方向上的运动。

8. Now, there's also spherical coordinates.: 现在，考虑球坐标。

9. And yet, we know that the shape of the s orbital is spherical.: 并且，我们知道S轨道是球状的。

10. So now we're going to triple integrals in spherical coordinates.: 现在，在球坐标中进行三重积分。

11. There we want to think a tiny bit about spherical coordinates again.: 我们需要再次考虑球坐标。

12. OK, let's see, who had seen spherical coordinates before just to see?: 我看看，谁曾经学过球坐标么？

13. Think about the difference between a flat paper map and a spherical globe.: 试想下平面地图和球形地球之间的区别。

14. But let's do it in spherical coordinates because that's the topic of today.: 但我们用球坐标来做，因为这才是今天的主题。

15. So, in fact, it simplifies quite a bit if you do it in spherical coordinates.: 事实上用球坐标，简化了式子。

16. Wood... but the spherical sound box is fashioned out of a whole coconut shell.: 木头……不过球形的音盒是整个椰子壳做的。

17. Well, we have to figure out how to set up our triple integral in spherical coordinates.: 先看看怎么，在球坐标中建立三重积分。

18. That means they contain spherical nodules a few millimetres across, known as chondrules.: 这意味着它们含有直径数毫米的球形岩球（或叫做陨石球粒，chondrule）。

19. The refinery fire sent a plume of thick black smoke from blazing spherical storage tanks.: 从燃烧的炼油厂球形储藏罐中冒出一股黑色的浓烟。

20. That will give you a good idea of what kinds of things we've seen in spherical coordinates.: 这将会给你一些，关于我们已经在球坐标中学过的东西的好的想法。

21. I leap, I spin, I navigate the circumference of each spherical planet, toying with gravity.: 我跳起来，旋转，绕着每个星球的圆周行进，玩笑般的对付着地心引力。

22. And, now we have to learn about spherical coordinates, which you will see are a lot of fun.: 今天我们来学习下球坐标，这是个很有意思的东西。

23. The spherical model is better-suited when distances are further apart and more accuracy is needed.: 当两点之间的距离相隔很远和要求更高的准确度时，需要使用球面模型。

24. 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。

25. Only galaxies with a spherical bulge-like component appear to accommodate supermassive black holes.: 只有拥有球形膨胀组件的星系才可能容纳质量超大的黑洞。

26. 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。

27. The spherical design features a handle that allows the tub to be easily wheeled to a water source.: 圆形加手柄设计方便将其滚至水源点。

28. But, that spherical thing with a little slit going twisting into it will actually have boundary my loop.: 这个有裂痕的球面，确实有一个边界是该回路。

29. Since the volume of the spherical universe is much bigger than its outer surface, how could this be true?: 由于球状宇宙的容量远远大于其表面积，这一切怎么可能呢？

30. However, it wasn't until 1963 that mathematician Roy Kerr found the solution for a rotating spherical mass.: 尽管如此，直到1963年，数学家罗伊·科尔才发现了旋转的球形体的相应方案。

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