“Helix Nebula”的概念、定义、翻译、参考文献-科学参考

单词	Helix Nebula
释义	Helix Nebula Encyclopedia 理学行星状星云释 Helix Nebula螺旋星云位于宝瓶座，标准历元J2000的赤经22h29m38.54s，赤纬-20°50′13.64″的行星状星云。《星云星团新总表》中的编号为NGC7293，是离地球最近最明亮的行星状星云。 Astronomy Helix Nebula螺旋星云
随便看	maincenter main chain main chain liquid crystalline polymer main-chain liquid crystalline polymer main check line comparison Main Chinese chess scores main circuit main circuit breaker of electric locomotive main class main combustion chamber maincontact main control register main control valve main cotton producing areas main crop breeding main cultivar Main Currents in Sociological Thought Main-Danube Canal main device main diagonal main diagonal of a square matrix main diagonal sum Main Directorate for Literature and Publishing main distribution channels of books Mai-Ndombe Lake

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。