“francium”的概念、定义、翻译、参考文献-科学参考

单词	francium
释义	francium 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 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	legal right of the aged legal sanction legal sentence legal size at first capture legal socialization legal source legal status of student legal supervision over public security organs' law enforcement legal system legal system engineering Legal system of environment and resources law legal system of guarantee on international financing legal system of international financial lease legal theories in the Union of Soviet Socialist Republics legal thinking legal thought of ancient Greeks legal thoughts during in Renaissance legal thoughts in Chinese history legal thoughts of enlightenment legal timber trade legal time legal translation legal transplantation legal unit legal unit of measurement

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。