“镭”的概念、定义、翻译、参考文献-科学参考

单词	镭
释义	镭 Encyclopedia 理学放射性元素释 radium镭天然放射性元素，元素符号Ra，原子序数88，半衰期最长的同位素的质量数226，属周期系ⅡA族，碱土金属元素。英文名来源于拉丁文radius（射线）。 Astronomy 全称：radium。缩写：Ra镭 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 radium镭
随便看	complete Riemannian metric complete Riemannian space complete ring complete ring of fractions complete ring of quotients complete scheme complete semigroup complete semi-lattice complete sequence complete series complete set complete set equipment of bamboo weaving mat complete set of cases complete set of commuting observables complete set of commuting operators complete set of dynamical variables complete set of eigenstate complete set of eigenstates complete set of functionals complete set of functions complete sets of ultrasonic automatic test equipment complete shell complete shell, filled shell complete simplex method complete solution

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。