This rapid origin and diversification of animals is often referred to as "the Cambrian explosion".
这种迅速的动物起源和种类分化时期常常被称为“寒武纪大爆发”。
The Cambrian explosion involved rapid evolutionary diversification, followed by the extinction of many unique animals.
寒武纪大爆发涉及迅速的进化分化，随之而来的是许多独特动物的灭绝。
The third fossil formation containing both soft-bodied and hard-bodied animals provides evidence of the result of the Cambrian explosion.
第三个化石地层中既有软体动物，也有硬体动物，为寒武纪大爆发的结果提供了证据。
Quartz is quartz—a silicon ion surrounded by four oxygen ions—there's no difference at all between two-million-year-old Pleistocene quartz and Cambrian quartz created over 500 million years ago.
石英是石英——由四个氧离子围绕的硅离子——200万年前的更新世石英和5亿年前的寒武纪石英之间没有任何区别。
Will zoologists ever know the evolutionary sequences in the Cambrian explosion?
动物学家们会知道寒武纪大爆发时期的进化顺序吗？
Shortly after the Cambrian explosion, mud slides rapidly buried thousands of marine animals under conditions that favored fossilization.
寒武纪大爆发后不久，泥石流迅速将数千只海洋动物掩埋在有利于石化的条件下。
The Cambrian-Ordovician boundary set between D.
寒武系与奥陶系界线位于D。
It is overlain unconformably by the post Cambrian platform cover.
被后寒武纪地台沉积盖层不整合覆盖。
In Britain, Cambrian rocks are found in Wales and North-West Scotland.
在英国的威尔士和苏格兰的西北部，发现了寒武纪的岩石。
Luoquan Formation is a diachronous unit from Sinian to Lower Cambrian.
罗圈组为一穿时地层单位，时代为震旦纪—早寒武世。
This is a new type of Cambrian-Ordovician profile in Luxi area(west of Shandong).
这是鲁西地区寒武—奥陶系剖面的一种新类型。
The Cambrian - Ordovician strata in Luxi Block are very continuous and well exposed.
鲁西地块的寒武-奥陶纪地层出露连续，露头较好。
RD: I know you're working on a programme about Cambrian and pre-Cambrian fossils, David.
理查德·道金斯：大卫，我知道你正在做一个关于寒武纪和前寒武纪化石的专题节目。
During the Cambrian explosion, major paradigm shifts took only tens of millions of years.
在寒武纪生命大爆发期间，主要模式转化只用了数千万年的时间。
To be born during this, the Cambrian Explosion—why, I couldn't imagine a better period, really.
在寒武纪生物大爆发这时候降生-我实在没法设想一个更好的时代了，真的。
Industry oil or gas has been found in many mature Wells in Cambrian system in Weiyuan area.
威远地区在上试的基础上，多口老井在寒武系发现了工业油气。
Like a gene in the Cambrian seas of the early Web, information was copied and recopied endlessly.
就像早期网络的“寒武纪海洋基因”那样，信息被无限地复制、再复制。
The Chengjiang Fauna is the most diver se assemblage of Early Cambrian marine fossils known.
澄江动物群是目前所知早寒武纪海洋生物分异度最大的化石组合。
The Ediacaran fossil record thus stretches the origins of animals to well before the Cambrian Explosion.
埃迪·卡拉化石的发现，将动物的形成时间从寒武纪又推早了不少。
There exist four layers of volcanic rocks in Sinian and Cambrian strata of Kuruktag area, Xinjiang.
在新疆库鲁克塔格地区的震旦纪和寒武纪沉积岩地层中，分布有四层火山岩。
Conodonts lived in the Cambrian seas, and may have eaten certain types of plankton, but no one knows for sure.
牙形刺生活在寒武纪的海洋中，可能以某种浮游生物为食，不过没人清楚具体情况。
During the Cambrian period, 500 million years ago, worm-like creatures were evolving into fish-like creatures.
在5亿年前的寒武纪，似蠕虫生物逐渐演化成似鱼生物。
The early Paleozoic strata can be divided into the Cambrian Hulan Group and the Ordovician Liaoyuan Group.
吉林槽区的早古生代地层可分为寒武系呼兰群及奥陶系辽源群。
Cambrian source rocks, including mud shales and carbonates, are among the main source rocks in Tarim basin.
寒武系烃源岩是塔里木盆地主要烃源岩之一，包括泥页岩和碳酸盐岩。
This paper describes the types and characteristics of contourites of Cambrian in Western Hunan and Eastern Guizhou.
本文描述了湘西黔东地区寒武纪沉积的等深岩类型和特征。
The sudden emergence of those complicated life forms hinted the existence of evolution events of Cambrian explosion.
这些复杂生命突然出现，暗示了寒武纪爆发式演化事件的存在。
The extreme climate arisen from "snowball Earth" may promote evolution of life and trigger the "Cambrian Explosion".
“雪球地球”的极端气候环境变化，促进了生命的演化，造成了寒武纪生物大爆发。
The basement strata and the migmatite, however, were formed much later, about Cambrian period and early palaeozoic era.
但其基底地层和混合岩形成时代较晚，为寒武纪和下古生代。
The North China type Cambrian and Early Ordovician strata can be subdivided into 7 Formations, 21 biozones and 10 stages.
河南省华北型寒武纪—早奥陶世地层可分为7个组、21个生物带、10个阶。
The North China type Cambrian and Early Ordovician strata can be subdivided into 7 Formations, 21 biozones and 10 stages.
河南省华北型寒武纪—早奥陶世地层可分为7个组、21个生物带、10个阶。
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