“寒武纪大爆发”的概念、定义、翻译、参考文献-科学参考

单词	寒武纪大爆发
释义	寒武纪大爆发 Encyclopedia 理学古生物学释 Cambrian explosion寒武纪大爆发地球生命系统起源与演化早期发生的一次多样性爆发式增加事件。具体是指距今5.4亿～5.0亿年间，地球海洋生命系统中“突然”出现了门类众多的后生动物（包括无脊椎动物和脊椎动物）。
随便看	timber revenue timber structure system timber transportation timbre Tim Brown Timbuktu Timbuktu Kou'an Tim Burton Time time time accuracy time and frequency dissemination time and frequency measurement instruments time and frequency measurements time and frequency metrology time and frequency primary standard time and frequency service time and frequency signal time and frequency synchronization time and frequency transfer time and frequency transfer via optical fiber time and space time and space crisscross time and space problem time and spatial art

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。