“Cambrian System”的概念、定义、翻译、参考文献-科学参考

单词	Cambrian System
释义	Cambrian System Encyclopedia 理学寒武系释 Cambrian System寒武系全球标准年代地层的系级单位，显生宇和古生界的第一个系，是距今5.41亿～4.85亿年前地史时期地球上形成的全部地层，地层位置在埃迪卡拉系之上，奥陶系之下。
随便看	Index Medicus index mirror index notation index number index of a class index of a context-free grammar index of a correspondence index of a critical point index of a curve index of a divisor index of a family index of a fixed point index of a Fredholm operator index of a function index of a geodesic index of a manifold index of a mapping index of an element index of an elliptic operator index of an operator index of a number index of a power index of a quadratic form index of a radical index of a recursive function

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。