英语词汇“BY Dra star”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	BY Dra star
释义	BY Dra star 天龙BY型星; 光谱型为K和M的带发射线的矮星，有准周期光变，光变幅小于 0.5目视星等，周期通常从短于1天至几天，光变曲线的形状在变化，表面有黑子活动。
随便看	perforated diaphragm perforated dictyostele perforated disc perforated distribution plate perforated distributor Perforated diverticulum perforated drainage tube perforated drain pipe perforated drum perforated drum dryer perforated dry pipe perforated dye spool Perforated Ear-Drum perforated eardrum Perforated Ear Drum perforated eardrums perforated edge perforated edge card perforated electrode perforated extension perforated false bottom perforated-feed pipe perforated feed pipe perforated film perforated fin

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