“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	relevance judgement relevance logic relevance measure relevance,originality,impact creative guide relevance ranking relevant relevant background information relevant commutative algebra relevant implication relevant logic Relevant needs relevant parameter relexification relexing waist and tightening buttocks reliability reliability acceptance test reliability analysis reliability appraisal of structure after fire reliability assessment reliability, availability and serviceability, RAS reliability-based design method reliability-based design optimization reliability based maintenance /reliability centered maintenance reliability block diagram reliability centered maintenance

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。