“history of earth evolution”的概念、定义、翻译、参考文献-科学参考

单词	history of earth evolution
释义	history of earth evolution 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	closed linear hull closed linear manifold closed linear operator closed linear span closed line segment closed long-axis orbit closed loop closed loop circulation closed loop continuity check closed loop control closed-loop control closed-loop controlled circuit closed loop control principle closed-loop control systems closed loop evaluation and reporting closed loop experiment closed loop guidance closed loop orbit closed-loop pressurization closed loop servo system closed loop supply chain closed-loop supply chain closed loop system closed loop test closed-loop test of flight control system

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。