“W Ursae Majoris stars”的概念、定义、翻译、参考文献-科学参考

单词	W Ursae Majoris stars
释义	W Ursae Majoris stars [¦dǝb·ǝl·yü `ǝr´sī mǝ`jȯr·ǝs ´stärz] ^ASTRONOMY Eclipsing variable stars whose brightness is continuously varying in periods of a few hours; they are composed of two close stars that have a common gaseous envelope.
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