“Cygnus Loop”的概念、定义、翻译、参考文献-科学参考

单词	Cygnus Loop
释义	Cygnus Loop Encyclopedia 理学原行星状星云释 Cygnus Loop；radio source W78； Sharpless 103天鹅圈位于天鹅座翅膀上的横跨3°的发射星云。又称面纱星云复杂体。 Astronomy Cygnus Loop天鹅圈
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科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。