名词
中文翻译：向量
同义词：
['direction', 'directional', 'directional vector', 'directional field', 'directional quantity', 'directional quantity vector', 'directional vector field', 'directionalvector field quantity', 'directional vector quantity', 'directional vector quantity field', 'directional vector quantity field']
例句：
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1. The velocity of the object is20 m/s.
物体的速度是20米/秒。
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2. Thedirection of the arrow indicatesthe correct path to take.
箭头的方向指示了正确的路径。
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3. The vectorfield is used to calculate the force onthe object.
向量场被用来计算物体受到的力。