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	joint for fittings with internal threads Joint formation Joint formation disorder joint for metal tube joint forming jointforming joint-forming joint forming machine joint-forming machine joint for plastic tube joint for salting liquor syringe joint forum joint fracture joint free joint freguency function joint frequency distribution joint frequency function Joint function Joint function disorder joint functions joint funding Joint Funding Scheme joint fusion joint gage joint gains

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