“前寒武纪植物”的概念、定义、翻译、参考文献-科学参考

单词	前寒武纪植物
释义	前寒武纪植物 Encyclopedia 理学古植物学释 precambrian flora前寒武纪植物前寒武纪（5.4亿年以前）和早古生代是藻类植物的时代。35亿年前或略早于35亿年前到大约15亿年的前寒武纪地球上只有细菌和蓝藻。它们都是原核生物。从15亿年前到寒武纪（5.4亿年前）地球上除细菌和蓝藻外，已有绿藻、红藻和褐藻。
随便看	ground line ground literal ground maintenance support for flight test ground meristem ground mobile mapping ground model ground motion ground nadir point ground navigation phase ground object reflectance spectrum curve ground object spectrum ground object spectrum characterization ground oil storage tanks ground operation and control system ground operator of unmanned aerial vehicle ground penetrating radar ground plane ground positioning orientation and aiming system ground power supply and distribution test equipment ground pressure ground pressure around openings ground pressure around shaft ground pressure in stopes ground pressure management ground propagation

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。