“Orion nebula”的概念、定义、翻译、参考文献-科学参考

单词	Orion nebula
释义	Orion nebula Encyclopedia 理学发射星云释 Orion nebula猎户座大星云位于猎户座的发射星云。用肉眼观察，猎户座中构成“宝剑”的有三颗星，中间一颗是较模糊的亮斑，它不是单颗星，而是一个星云，即猎户座大星云（星表编号为M42和NGC1976）。
随便看	the system of villagers' self-government The Systems Approach for Better Education Results the systems for examining and approving projects and keeping records the systems of reporting on important matters of leading cadres the systems of tendering and bidding The Tabled and Textual Biographies of outer Mongolian and Hui Nobles The Table of Rhymes in Old Chinese The Table of Sound Category of Chinese Syllables theta-characteristic The Tacit Dimension theta-constant theta criterion theta divisor theta-divisor theta-formula theta-Fuchsian series theta function theta-function theta hypergeometric series The Taiping Medical Bureau for the Benefits of People The Taiyi Miraculous Moxa Stick Citta The Taking of Tiger Mountain The Tale of a Brave Fishergirl The Tale of a Golden Hairpin: Liu Xibi’s Story manuscript of Xuande Period of Ming Dynasty The Tale of an Old Scholar

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