“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	industrial development strategy industrial diffusion Industrial Disputs Investigation Act industrial distribution industrial distribution policy industrial district industrial ecological engineering industrial ecological planning Industrial Ecology industrial ecology industrial eco-management industrial economic structure industrial ecosystem industrial education industrial electrochemistry industrial electronic endoscope industrial energy conservation industrial energy efficiency Industrial & Engineering Chemistry Research industrial enterprise noise management industrial enterprise statistical account industrial enzymes industrial estate industrial ethernet Industrial exhaust gas

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。