“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	technology models of agricultural biomass energy technology of active protection technology of advanced measuring infrastructure system technology of biomass molding technology of cast iron in ancient China technology of combined sewer system and overflow pollution control technology of electrical safety testing and monitoring device of power distribution system technology of fishes resource conservation technology of forensic image, phonetics & audio technology of fossil-fried power genenration technology of frequency spectrum analysis technology of gas transmission technology of ion microbeam technology of lie detection item development technology of network publishing technology of oxidation pond technology of pipelining oil technology of pipelining solid-slurry technology of power information acquisition and management technology of radiation hardening assurance technology of semiconductor lighting technology of study on pest-host interactions technology of transportrt security technology of TV lighting technology of underwater acoustic communication node

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。