“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	satellite navigation augmentation system satellite navigation availability satellite navigation based train operation control system satellite navigation compatibility satellite navigation continuity satellite navigation coordinate system satellite navigation error satellite navigation frequency satellite navigation industry satellite navigation integrity satellite navigation interoperability satellite navigation message satellite navigation receiver satellite navigation signal satellite navigation signal modulation satellite navigation signal simulator satellite navigation software receiver satellite navigation system satellite navigation system coding satellite navigation time system satellite nebula satellite network Satellite news gathering satellite news gathering equipment satellite of Jupiter

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。