“semi-regular variable star”的概念、定义、翻译、参考文献-科学参考

单词	semi-regular variable star
释义	semi-regular variable star Encyclopedia 理学变星释 semi-regular variable star半规则变星光变曲线外形和光变周期均呈现很大的不规则性，平均亮度恒定或有长周期变化的一类脉动变星。
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