“砷”的概念、定义、翻译、参考文献-科学参考

单词	砷
释义	砷 Encyclopedia 理学砷释 arsenic砷化学元素，元素符号As，原子序数33，原子量74.921595(6)，属周期系ⅤA族。 Astronomy 全称：arsenic。缩写：As砷 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 arsenic砷
随便看	countable space countable subadditivity countable subset countable sum axiom countable superadditivity countable support iterated forcing countable system countable transitive model countable union countable-valued logic countable weight countably additive countably additive algebra countably additive class countably additive family countably additive function countably additive measure countably compact countably compact set countably compact space countably continuous operator countably equivalent sets countably generated module countably Hilbertian space countably infinite

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。