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-复社网

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	oil discharging by pumping oil discharging pipe oil discharging rate oil dish oil dispense oil dispenser oil dispensing equipment oil dispersant oil dispersant mixture oil dispersible oildispersible oil dispersible asphalt oil displacement oil displacement agent oil displacement process oil-displacing agent oil distillate oil distrbuting box oil distributing box oil distributing pipe oil distributing ring oil distribution casing oil distribution port oil distribution shaft oil distribution sleeve

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