Now, that is only for a point mass.

那只是对于一个质点而言的。

youdao

If you are going to push that object that would be really where the equivalent point mass would lie.

给物体一个推力，就等价于推力作用在重心的情况。

youdao

The center of mass of a system is defined as follows: I have here some kind of an object not just a point mass, but it has a finite size.

系统的重心,是这样定义的：,我有一个物体,不是有棱角的物体，但它大小有限。

youdao

In that pre-carbon offset as investment world, the point of mass environmentalism through media was mostly public awareness.

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Long before we reached that point, mass-market business models would become unsustainable.

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It'll likely take years before we'll get to the point of mass production of these things, but in the future we could finally say that batteries do indeed grow from trees.

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