| 释义 |
Permian period短语⁹⁶⁶⁷⁷⁺⁶
基本英英近义反义例句例句
二迭纪
Noun:
from 280 million to 230 million years ago; reptiles近义词 Permian二叠纪的
At the end of thePermian period225m years ago, between 80 % and 96 % of all living marine species were extinguished.2.;25亿年前的二叠纪末期，当时80%到96%的海洋物种灭绝；
Any of various large, segmented aquatic arthropods of the order Eurypterida that existed from the Ordovician Period to the Permian Period.古生板足鲎目的一种巨大的、有节的，属于板足鲎目的水生节肢动物，生存于奥陶纪到〈二叠纪时期〉
At the end of thePermian periodthe earth's landmasses were configured into one supercontinent, Pangea, and a superocean, Panthalassa.二叠纪末期，地球上的陆地合并成一块超级大洲，叫作盘古大陆，以及一个超级大海，叫作原始大洋。
Ore deposits which have economical value mainly are depositional type and volcanegenic type produced in the permian period and tertiary period.具经济价值的主要为产于二叠纪及第三纪沉积类及火山沉积类矿床。
The hydrothermal fluid and the spaces of ore-bodies in the deposit are provided by the granite magmas and thePermian period.指出印支期白岗质花岗岩岩浆提供部分成矿物质,二叠系地层和花岗岩浸位提供热源和导矿、容矿空间。
In the Permian Period, 286 million years ago, the most striking transitions in the evolution of life occurred when mammals evolved from one lineage of reptiles.在二叠纪期间,286百万年前,最醒目的转折在生活的演变发生了当哺乳动物演变了从爬行动物一后裔。 About hot water depositional ore deposit, the ore body present layer in shape, large scale ore deposit, and formed in permian period.
热水沉积型矿床，矿体呈层状，规模为大型，成矿时代为二叠纪。 cnki
The end of the Permian period,252m years ago, was marked by the biggest extinction of life known to have happened on Earth.
两亿五千两百万年前的二叠纪末期，发生了地球上迄今为止所知的最大一次生物灭绝。 ecocn
After the formation of coal-series of Carboniferous and Permian Period. the basin was undergone by the strong Yenshan movement and the coal- formed gas had been seriously destroyed.
在盆地中，石炭、二叠纪煤系形成后，曾经历了强烈的燕山运动，使生成的气遭到严重破坏。 cnki
Ore deposits which have economical value mainly are depositional type and volcanogenic type produced in the permian period and tertiary period.
具经济价值的主要为产于二叠纪及第三纪沉积类及火山沉积类矿床。 cnki
The Permian period, which ended in the largest mass extinction the Earth has ever known, began about 299 million years ago.
二叠纪开始于2.99亿年前，并以地球上最大规模的物种灭绝而结束。 hjenglish |