名词
中文翻译：Unknown
同义词：
['three-dimensional vector', 'three-dimensional vectors']
例句：
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1. Thethree-dimensional vector can be used to represent the direction of a point in space.
这个三维向量可以用来表示空间中一个点的朝向。
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2. In computer graphics, three-dimensional vectors are used to define the positions and orientations of objects.
在计算机图形学中，三维向量被用来定义物体的位置和方向。
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3. The three-dimensional vector is a fundamental concept in physics and engineering.
三维向量是物理学和工程学中的一个基本概念。