“行星状星云”的概念、定义、翻译、参考文献-科学参考

单词	行星状星云
释义	行星状星云 Encyclopedia 理学行星状星云释 planetary nebula行星状星云其中心有一向白矮星过渡的热星，且由稀薄电离气体组成有明晰边缘的小圆面状星云。星云为该中心星所抛出，正向外膨胀，并由中心星的紫外辐射照射而发光。 Physics 交叉学科天体物理学 planetary nebula行星状星云 Astronomy 全称：planetary nebula。缩写：PN行星状星云
随便看	assimilatory sulfate reduction assistance to the vulnerable assistant commandant of Hunchun assistant department magistrate assistant designer assistant director assistant drug assistant list assistant or aide to the chief official assistant pastor assistant sound editor assistant stage manager assisted global positioning system assisted model building with energy refinement assisted model building with energy refinement, AMBER assisted model building with energy refinement (AMBER) fore field assisted parking system assisted pollination assisted reproductive technology assistive device for disabled assistive devices assistive technology in special education assistor assist to swim of Summer Special Olympics associahedron

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。