Some movements involving primarily vertical or horizontal motions of the body as a whole, in which rotations can be ignored, can be studied using simple equations of linear motion in three dimensions.

有些运动主要涉及整体的垂直或水平运动，其中转动可以忽略，可以用三维线性运动的简单方程来研究。

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But you can re-fuel in three dimensions which is another interesting challenge.

但是，你们可以再填上燃料到3个部分去，那是个很有趣的挑战。

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It helps that natural history looks good in high-definition and in three dimensions.

这有助于博物学在高清晰度和三方面看起来不错。

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Photocopiers print in two dimensions. Now,imagine how this would work for three dimensions.

VOA: special.2010.10.29

The reason there are three quantum numbers is we're describing an orbital in three dimensions, so it makes sense that we would need to describe in terms of three different quantum numbers.

我们需要，3个量子数的原因,是因为我们描述的是一个，三维的轨道，所以我们需要，3个不同的量子数,来描述它。

麻省理工公开课 - 化学原理课程节选

And then, if you go the real sodium chloride crystal and you do this same calculation but in three-dimensions.

接下来，如果回到实际的氯化钠晶体中,你们做同样的计算,但是是在三维中。

麻省理工公开课 - 固态化学导论课程节选

Virtual henchman stand statuesque in three dimensions on stage as Batman looms onscreen behind them.

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Users are also required to wear shutter glasses in order to see the projected image in three dimensions.

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The purpose of the scribing tradition is to master in three dimensions the design of a complex wooden building.

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