基础释义
例句
英英词典释义
行业词典释义

福克斯词典 \ 英汉词典 \

Precambrian是什么意思？

Precambrian

英[ˈpri:ˈkæmbriən] 美[priˈkæmbriən]

n. 前寒武纪，前寒武层；

例句

Precambrian time for as much as eighty - five percent of all geological time. 从前寒武世纪以来地球地面大部分被冰川所覆盖的任何地质年代.
Late Precambrian mafic dyke swarms are extensively developed in the central North China Craton. 华北克拉通中部广泛发育晚前寒武纪镁铁质岩墙群.
Gneiss, a metamorphic rock, can be commonly found in Precambrian areas. 片麻岩, 变质岩, 可以发现,在常见的前寒武纪地区.
Two main glacial epochs affected both areas during the last 100 million years of Precambrian times. 在前寒武纪的最后1亿年中，两个主要的冰川时期对两个地区都产生了影响。

查看更多关于 “Precambrian” 的例句

英英词典释义

Noun
1. the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago

行业词典

地质学：前寒武纪；
生态学：前寒武纪；从46亿年前地球诞生一直到5.7亿年前寒武纪开始这一段地质历史时期。；

大家都在找

猜你在找

大家在找

考考你
[问] giraffe
[问] PEGGING
[问] predict
[问] 旋律的英文
[问] neck
[问] repeat
[问] emergency
[问] committing
[问] vehicle
[问] aspect