“钫”的概念、定义、翻译、参考文献-科学参考

单词	钫
释义	钫 Encyclopedia 理学放射性元素释 francium钫天然放射性元素，元素符号Fr，原子序数87，半衰期最长的同位素的质量数223，属周期系ⅠA族，碱金属元素。为纪念发现者M.佩雷[注]的祖国法国（France）而命名。 Astronomy 全称：francium。缩写：Fr钫 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 francium钫
随便看	police psychological evaluation software police psychological stress police psychological training police psychology police public relation activities police public relation propagation police public relation propagation communication police public relations police public relations consciousness police pursuit tactics police-related internet public opinion police resource scheduling police restriction belt police safeguards police safety culture police science and technology informatization Police Scotland police sign police's law-abidingness police social supervision police specialization movement police sports Police Story Police Story series police sub-stations and police booths

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。