“Keyhole Nebula”的概念、定义、翻译、参考文献-科学参考

单词	Keyhole Nebula
释义	Keyhole Nebula Encyclopedia 理学暗星云释 Keyhole Nebula锁眼星云位于明亮的船底座η星云（NGC3372）中心的暗星云，其形状类似锁眼而得名。 Astronomy Keyhole Nebula钥匙孔星云
随便看	ship safety inspection ship safety management system ship's cargo handling gear ship's deadweight ship seaworthness ship security ship sewage treatment system ship-shaped cities ship side pushing device ship signal light ship's operating indexes ship source oil spill pollution damage compensation fund ship speed and resistance ship speed control ship's routing ship stability ship stabilizer ship stabilizing principle ship's tonnage ship supervise safety management ship survey ship tally ship traffic service ship traffic simulation Ship transportation planning

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。