“螺旋星云”的概念、定义、翻译、参考文献-科学参考

单词	螺旋星云
释义	螺旋星云 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	public opinion field public opinion guidance public opinion margin public opinion measurement public opinion monitoring public opinion of classes public opinion on economy public opinion poll public opinion poll method public opinion propagation Public Opinion Quarterly Public opinion space public opinion spread public opinion strength public opinion survey public opinion survey ethics public opinion survey methods public opinion survey techniques public opinion warfare public order insurance public order situation public outreach of nature reserve public-owned public packet switched network Public Park in Beijing

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。