名词
中文翻译:适当运动组
同义词:
['proper motion class', 'proper motion group', 'proper motion class']
例句:
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1. Theproper motion group of stars is a key to understanding the universe.
恒星的适当运动组是理解宇宙的关键。
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2. This research group has made significant contributions to our understanding of the proper motion of galaxies.
这个研究小组对我们的星系适当运动的理解做出了重大贡献。
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3. The proper motion group of stars is a valuable tool for studying the formation and evolution of galaxies.
恒星的适当运动组是研究星系形成和演化的一个宝贵工具。