“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	pseudocylindrical projection pseudocyst pseudocyst of auricle pseudo-delay method pseudo-diameter pseudo-difference pseudo-difference scheme pseudodifferential equation pseudodifferential operator pseudodifferential operators Pseudo-Dionysius pseudodiploid pseudo-directed family pseudo-directed set pseudo-discriminant pseudodislocation pseudo-distance pseudo-distance function pseudodominance pseudodominant inheritance pseudo-dynamic test pseudo-effect pseudo-effective cone pseudo-elasticity pseudoelasticity

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。