名词
中文翻译：向量
同义词：
['vector field', 'vector quantity']
例句：
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1.The position of the point is determined by the vector from the origin to that point.
点的位置由从原点到该点的向量确定。
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2.The vector can be used to represent the direction and magnitude of a force.
向量可以用来表示力的方向和大小。
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3. In physics, a vector is a quantity that has both magnitude and direction.
在物理学中，向量是一个既有大小又有方向的量。