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二叠纪

n.permian
网络Permian; Permian period; Permian era

二叠纪

英-汉网络释义

二叠纪

Permian

二叠纪（Permian） ---- 取名於俄罗斯的彼尔姆州（Perm）。二叠纪一词来自日本，因为德国的此地层分为两层。

Permian period

二叠纪（Permian period）是古生代的最后一个纪，也是重要的成煤期。二叠纪开始于距今约2.95亿年，延至2.5亿年，共经历 …

Permian era

当时，二叠纪(Permian era)行将结束，一场有史以来规模最大的物种灭绝正在上演，地球生命前景堪忧。一种主流灭绝理论认 …

Dyassic

石油英语词汇(D6)--石油百科 ... dyas 孢粉二合体 Dyassic 二叠纪；二叠系 dye adsorption 染色吸附 ...

The Permian Period

二叠纪（The Permian Period）（2.9亿到2.48亿年前）二叠纪的末期发生了另一次大规模的生物消亡，它也标志著古生代的终 …

Dias

石油词汇英语翻译(CD) ... diary 日记 Dias 二叠纪 diasonograph 超声诊断仪 ...

perm

钻井地质英文词汇标准缩写 - 豆丁网 ... 可渗透的 permeable perm，k 二叠系，二叠纪 Permian P，Perm 石油 petroleum pet ...

例句：

And I worked on this Permian extinction , camping by this Boer graveyard for months at a time .

当时我在研究二叠纪生物灭绝事件，每次都在波尔的墓地露营好几个月。

in Permian , it had developed and formed a typical Cathaysian flora and was an important part of late Paleozoic Cathaysian flora .

二叠纪时已发展为典型的华夏植物区系的性质，是晚古生代华夏植物区系的重要组成部分。

Previously, the only dateable layers were from the moment the Permian ended and from a subsequent volcanic event some 14m years later .

在此之前唯一可以确定年代的地层是二叠纪结束的时刻，以及大约 1400万年后的火山爆发事件。

This was the end of the Permian period, and of the era of life called the Paleozoic .

这就是二叠纪以及整个古生代的终结。

This animal spread across the massive , ancient continent of Pangea after the end of the Permian Extinction .

这在大规模，古老的盘古大陆动物传播后二叠纪灭绝结束。

The end of the Permian period, 252m years ago, was marked by the biggest extinction of life known to have happened on Earth .

252百万年前的二叠纪晚期以已知的地球上发生过的最惨痛的生物灭绝事件著称。

The two boundaries of the Yili Block have been reworked by the Permian strike-slip faulting .

伊犁地块的南、北缘边界在二叠纪期间经受了走滑作用的强烈改造。

This evidence was used to suggest that at the end of the Permian , 250 million years ago , a comet hit us.

这些证据表明了在 2.5亿年前，也就是二叠纪的末期，一颗彗星撞击了我们。

The Permian was curtailed by massive volcanism . But what exactly happened towards the end of the Triassic has been much debated.

威力无比的火山作用缩短了二叠纪，但是，三叠纪末究竟发生了什么事情一直是热议话题。

A paleomagnetic study on Ordovician to Permian rocks from the Yili Block and its adjacent areas was performed .

本文对伊犁地块及其邻区奥陶 -二叠纪地层进行了古地磁学研究。

According to the conodont and fusulinid fossils, their ages are determined to be Devonian -Permian .

根据所含化石确定地层形成时代为泥盆纪至二叠纪。

Most rock sequences that straddle the end of the Permian are either incomplete or hard to date.

二叠纪末期大部分岩石记录要么残缺不全，要么难以断代。

The Permian seas came to be dominated by bony fishes with fan-shaped fins and thick , heavy scales .

二叠纪的海洋被硬骨鱼类统治着，它们有着扇子一样的鳍和厚厚的鳞片。

The action must also have played an important role in the mass extinction during the Late Permian and early Triassic .

研究二叠纪末一三叠纪初生物大绝灭事件具有重要作用；

Numerous granitoids occur in northern Xinjiang and its adjacent areas , with Carboniferous -Permian granitoids being most typical.

北疆及邻区发育大量的花岗岩，其中石炭 -二叠纪花岗岩较为突出。

The Permian -Jurassic alluvial -fan , subaqua-fan and delta-fan were widely distributed in the west-north margin of Junggar Basin.

准噶尔盆地西北缘广泛发育二叠纪 -侏罗纪冲积扇、水下扇、扇三角洲等砾质粗碎屑沉积。

Both the Neoproterozoic and the Permian were times of supercontinent breakup with major landmasses at low latitudes .

无论是新元古代和二叠纪都是超极大陆式分离在低纬度地区主要的陆地。

Was There a Mass Extinction of Land Plants at the Permian -Triassic Boundary ( PTB )?

陆生植物在二叠纪 -三叠纪界线存在集群灭绝吗？。

Metallogenic models of Cu , Ag deposits in felsic volcanic rock of Permian continental facies of Awulale, western Tianshan Mt.

西天山阿吾拉勒二叠纪陆相长英质火山岩铜银矿矿床模式。

Each sampling site spanned the mass extinction 252 million years ago at the end of the Permian period.

每个采样的选址都经历了二叠纪末期长达两亿五千两百万年的大灭绝时期。

Both the Neoproterozoic and Permian were times of major glacial events.

无论是新元古代，二叠纪时期对于主要的冰川时期是成倍的。

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