“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	Identification and Description Subcommittee of Information and Documentation Technical Committee SAC/TC46/SC9 identification and localization technology of engineering site identification basis of crude drug identification capacity identification chart identification document photography identification for efficient utiliztion of nutrients in crop plants identification friend or foe electronic warfare identification loss identification mapping identification method of quarantine pests identification method of sample retained records identification number of electronic records identification of abiotic stress resistance identification of acetylene cylinder identification of agronomic trait identification of a model identification of botanical characteristics identification of boundaries identification of Chinese crude medicinals identification of Chinese crude medicinals by DNA barcoding identification of Chinese materia medica identification of Chinese medicinal characteristics identification of Chinese medicinal origin identification of Chinese medicinals

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。