“猎户座大星云”的概念、定义、翻译、参考文献-科学参考

单词	猎户座大星云
释义	猎户座大星云 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	command,control and communication system for nuclear weapon command descriptor block command dispatching system for space mission command economy commander-based military organization system commander-general commander in charge system Commander in chief commander-in-chief commander-in-chief in ancient China Commander-in-chief of the capital city and its environs commander-in-chief of the Chahar Region commander-in-chief, supervisor-in-chief or eunuch commissioner Commander of a military organization Commander Shostakovic Commander Unequalled in Honor commandery prince command guidance Commandino Commandino theorem command interface command interpreter command language command-line interface command management

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