“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	residential house market residential industrialization residential investment residential land residential location residential location value residential management residential micro-Environment residential mobility residential pattern residential public green landuse residential road system residential SAR construction system residential segregation residential sound environment residential surveillance Residential System resident identity resident identity card resident income resident income statistics resident population residents bid on the rent curve residents capacity residents charter

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。