名词
中文翻译：速度曲线
同义词：
['velocity curve', 'velocity profile', 'velocity distribution']
例句：
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1. The velocity curveshows the speed of the car as it accelerates.
速度曲线显示汽车加速时的速度。
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2.The velocity curve is used to calculate the distance traveled by a moving object.
速度曲线用于计算移动物体的行程距离。
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3.The velocity curve is often used in engineering calculations to determine the efficiency of a machine.
在工程计算中，速度曲线常被用来确定机器的效率。