名词
中文翻译：退出速度
同义词：
['ejection velocity', 'outflow velocity']
例句：
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1.The spacecraft's exit velocity is measured in kilometers per second.
航天器的速度以每秒多少公里来衡量。
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2. The team had to exit the stadium quickly to avoid being caught by the police.
队伍不得不迅速离开体育场，以免被警察抓住。
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3. The exit velocity of a projectile is determined by its initial speed and the angle of launch.
抛体运动的出口速度由其初始速度和发射角度决定。