名词
中文翻译:相对径向速度
同义词:
['relative velocity', 'relative speed']
例句:
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1.The relative radial velocity of the two stars is about 0.5% of the distance between them.
两颗恒星的相对径向速度大约是它们之间距离的0.5%。
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2. The relative radial velocity of the wind is measured in knots per hour.
风的相对径向速度以每小时节为单位测量。
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3. The relative radial velocity of the Earth's rotation is about 160 meters per second.
地球自转的相对径向速度约为每秒160米。