“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	Selberg sieve Selberg sieve method Selberg trace formula Selberg zeta-function selcall Selebi-Phikwe SELEC select selectable selectance select and discard Selected 109 Plays of Contemporary Chinese Drama selected and compiled work selected and reconstructed biosynthetic element of crude drug bioactive compounds Selected Archival Documents Concerning Japanese Imperialist Aggression Against China Selected Calligraphic Works by Mao Zedong on Ancient Styled Poems Selected Chinese Classics Selected Chinese Literary Works 1949–1959: Quyi Selected Chinese Screenplay Selected Ci Poems and Related Anecdotes Selected Ci Poems by Master Poets of the Tang and Song Dynasties Selected Ci Poems by Renowned Poets in the Past Three Centuries Selected Ci Poems by Renowned Poets of the Qing Dynasty Selected Ci Poems by the Renowned Poets of the Song and Yuan Selected Ci Poems by the Song and Yuan Poets

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。