名词
中文翻译：向量
同义词：
['direction', 'direction vector', 'directional vector', "directional field例句：1. The vector of theEarth's gravity is 9.8 m/s².（地球的重力矢量为9.8 m/s²。）"]
例句：
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1. The vector of theEarth's gravity is 9.8 m/s².
地球的重力矢量为9.8 m/s²。
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2. The vector equation describes the motion ofa particle in space.
向量方程描述了粒子在空间的运动。
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3. The vector addition operation canbe used to add two vectors together.
向量加法运算可以用来将两个向量相加。