“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	optical measurement system optical measuring angle comparator optical measuring techniques in explosion and impact optical medium optical medium materials optical memory optical memory, optical storage optical meter optical metrology optical micrometer optical microscope optical microscope analysis optical microscope particle size measurement optical microscopy optical milling optical mineralogy optical mixing optical mixing, photomixing optical mode optical mode-division multiplexing transmission system optical mode division switching，OMDS optical model optical modulation optical modulation analyzer optical modulator

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。