名词
中文翻译：星速计
同义词：
['astrograph', 'astrophotometer', 'astrophotographer']
例句：
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1. The astronomer used the astrovelocimeter to measure the speed of the spacecraft.
天文学家使用星速计来测量飞船的速度。
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2. The astronauts used the astrovelocimeter to measure the distance between the planets.
宇航员们使用星速计来测量行星之间的距离。
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3. The astronomers used the astrovelocimeter to study the movement of stars and galaxies.
天文学家们使用星速计来研究恒星和星系的运动。