请输入您要查询的字词:
单词
寒武系
释义
寒武系
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
method of reduction of dimension
method of reduction of order
method of reel-up
method of regularization
method of relaxation
method of renormalization
method of repeated substitution
method of residues
method of restricted maximum likelihood
method of retarded potentials
method of Ritz-type
method of rock mechanics analysis
method of rotations
method of round-off
method of saddle points
method of scale
method of sections
method of sedimentation equilibrium
method of sedimentation velocity
method of selected points
method of selection
method of self-education
method of separation of variables
method of separation variables
method of series
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/1/18 19:54:37