“小丑脸星云”的概念、定义、翻译、参考文献-科学参考

单词	小丑脸星云
释义	小丑脸星云 Encyclopedia 理学行星状星云释 Clown Face Nebula小丑脸星云位于双子星座的行星状星云。《星云星团新总表》中的编号为NGC2392。 Astronomy Clown Face Nebula小丑脸星云
随便看	Population Atlas of China Population attributable Fraction，PAF population attributable risk，PAR population balance density population balance mode population-based strategy population-based study population behavior of complex financial systems population biology population bottleneck population capacity population carrying capacity population census population census of China population characteristic population classification population colonization population comparison population control population correlation coefficient population covariance population crash population crisis population demography population density

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。