名词
中文翻译：速度恒定性
同义词：
['speed constancy', 'velocity constancy']
例句：
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1.The car accelerated to a high speed before stopping.
汽车加速到高速后停止。
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2.The runner maintained a steady pace throughout the race.
跑者在整个比赛中保持了稳定的步速。
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3. The aircraft maintains a constant altitude during takeoff and landing.
飞机在起飞和降落过程中保持恒定的飞行高度。