“古姆星云”的概念、定义、翻译、参考文献-科学参考

单词	古姆星云
释义	古姆星云 Encyclopedia 理学原行星状星云释 Gum Nebula古姆星云已知的最大角尺度的发射星云。延展角度大约40°（月亮在天空中的尺度为0.5°），横跨南天船帆星座和船尾星座。又称Gum 12。 Astronomy Gum Nebula古姆星云
随便看	principal curves principal deformation principal determinant principal diagonal principal diameter principal dielectric axes principal direction principal direction of curvature principal discrete series principal disjunctive normal form principal distribution parameter principal divisor principal dual ideal principal element principal element elimination principal elliptic term principal enumeration principal equation principal escaped point principal factor principal fiber bundle principal fiber space principal fibration principal filter principal focus

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。