“地球演化历史”的概念、定义、翻译、参考文献-科学参考

单词	地球演化历史
释义	地球演化历史 Encyclopedia 理学〔地质总论〕释 history of earth evolution地球演化历史地球形成于约45.6亿年前，历经冥古宙（约46亿～40亿年前）、太古宙（40亿～25亿年前）、元古宙（25亿～5.41亿年前）和显生宙（5.41亿年以来）等时期的无数变革，最终成为今天的面貌。
随便看	electromagnetic radiation, EMR electromagnetic radiation management electromagnetic radiationpollution prevention and control law electromagnetic radiation safety standards electromagnetic radius electromagnetic recoil separator electromagnetic reconnaissance perception electromagnetic relays electromagnetic resonant cavity electromagnetic riveting electromagnetics electromagnetic scattering electromagnetic screening electromagnetic sensor electromagnetic sensors electromagnetic separation electromagnetic shielding electromagnetic shielding composites electromagnetic shielding fabric electro-magnetic shielding in building electromagnetic shower electromagnetic signal simulator electromagnetic situation awareness electromagnetic source electromagnetic spectrum

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。