“set of the second category”的概念、定义、翻译、参考文献-科学参考

单词	set of the second category
释义	set of the second category Mathematics ＞泛函分析＞空间和泛函＞释义 set of second category第二范畴集＞拓扑学与几何学＞一般拓扑学＞释义 set of the second category第二类型集 set of the second category第二范畴集^†
随便看	octagram octagraphene octahedral octahedral complex octahedral compound octahedral equation octahedral field octahedral field splitting energy octahedral field splitting parameter octahedral form octahedral graph octahedral group octahedral interstice octahedral number octahedral pressure medium Octahedral Research Satellite octahedral site octahedral space octahedral web octahedrite octahedron octahedron equation octahedron stellation octal octal addition

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。