双语例句原声例句
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双曲三角函数就是对曲线应用三角函数，也就是说，想象将这些点放在笛卡尔平面上来得到t的所有可能值。
The hyperbolic trigonometric functions are to hyperbolae as the trigonometric functions are to circles. That is, imagine you plot these points on a Cartesian plane for all possible values of t.
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特别地，绕平面上一点旋转物体，同样可以想象，旋转一个实体。
In particular, we have been rotating things about just a point in the plane What you could imagine also is instead you have your solid.
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打个比方，我们可以想象一个一生都在平面上度过的两维昆虫。
By way of analogy, we might think of a two-dimensional bug living out his life in a plane.
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So if you picture, for example, b h 3, it's going to look like this.
如何使键劲量相互远离，我们会有平面三角形的情形，如果你想象。
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