名词
中文翻译：恒定速度线
同义词：
['恒定速度线，恒定速度线，恒定速度线']
例句：
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1. The constant velocity line is acritical factor in the design of highways.
恒定速度线是高速公路设计中的关键因素。
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2.The constant velocity line is used to calculatethe distance between two points on the map.
恒定速度线用于计算地图上两点之间的距离。
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3.The constant velocity line is an important toolfor measuring the speed of objects moving atdifferent speeds.
恒定速度线是测量不同速度下物体速度的重要工具。