“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	laser cutting laser cutting technology laser damage laser debris removing laser deep penetration welding laser desorption laser desorption ionization laser desorption ionization (LDI) laser destruction Laser detector laser diagnosis laser diagnostic devices laser die cutting laser differential absorption laser diffraction measurement laser diode laser diode array laser diode pumped solid state laser laser direct deposition technology laser direct plate-making laser disc laser discharge laser display laser display device laser distance measuring system

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。