名词中文翻译
中文翻译：向量
同义词：
['directional vector', 'directional field', 'scalar vector', 'vector field']
例句：
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1. The motion of the object is described by a vector equation.
物体的运动由一个向量方程描述。
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2. 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。
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3.The vector addition operation can be performed using Python's built-in `sum()` function.
可以使用Python内置的`sum()`函数执行向量加法运算。