请输入您要查询的字词:
单词
Paleozoic evolutionary fauna
释义
Paleozoic evolutionary fauna
Encyclopedia
理学
古生物学
释
Paleozoic evolutionary fauna
古生代演化动物群
全球古生代海洋动物的总称,在寒武纪晚期寒武纪演化动物群出现衰退时开始出现雏形,奥陶纪生物大辐射构建了其基本框架,并实现其早期演化,在奥陶纪末在海洋生态系统中实现对寒武纪演化动物群的全面替代,成为海洋动物世界的霸主,并持续近3亿年一直到二叠纪末。
随便看
petroleum coke
petroleum coking
petroleum cracking
petroleum drilling exploration degree
Petroleum Drilling Techniques
petroleum ether
petroleum exploitation microorganism
petroleum exploration
petroleum exploration appraisal techniques
petroleum exploration degree
petroleum exploration procedure
petroleum exploration stage
petroleum exploration techniques
petroleum fermentation
petroleum field discovery process method
Petroleum Field Size Sequence Method
petroleum gas
petroleum geochemistry
petroleum geology
Petroleum Geology & Experiment
petroleum hydrocarbon
petroleum hydrocarbon alkylation
petroleum hydrocarbon degrading microorganisms of soil
petroleum hydrocarbons
petroleum industry
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:2026/7/8 17:32:35