“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	rock quality designation rock relaxation rock rheological experiment rock rheological model rock rheology rockrose family rock salt rock salt structure rock sample superconducting magnetometer rock sculptures at Dongfo Valley and Qingtong Mountain of Ji’nan City rock sculptures at Longquan Shifo Temple rock sculptures on Kandeng Mountain rock sculptures on Kongwang Mountain rock seepage deformation experiment rockshaft rock shearing strength rock shear strength experiment rock similarity theory rock slit method experiment rock slope rockslope design rock slope engineering design rock slope engineering disasters rock softening characteristic test rock specific surface area

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。