因此，前寒武纪的动物肯定曾经生活在这么深的地方。
Precambrian animals must therefore have lived at such depths.
环斑花岗岩是发育于前寒武纪的一种特殊岩石。
发现的并不是前寒武纪的动物本身，而是它们的足迹。
These findings are not of Precambrian animals themselves, but of their tracks.
在英国的威尔士和苏格兰的西北部，发现了寒武纪的岩石。
In Britain, Cambrian rocks are found in Wales and North-West Scotland.
霍尔丹，英国遗传学的先驱，他回答道：在前寒武纪的兔子化石就是了。
S. Haldane, a pioneering British geneticist, replied: "Fossil rabbits in the Precambrian era."
霍尔丹，英国遗传学的先驱，他回答道：在前寒武纪的兔子化石就是了。
S.Haldane, a pioneering British geneticist, replied: “Fossil rabbits in the Precambrian era.
研究结果还表明磁化率能够作为前寒武纪的古气候替代性指标。
This research also reveals that susceptibility can be used as a palaeoclimate proxy for Precambrian successions.
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。
Conodonts lived in the Cambrian seas, and may have eaten certain types of plankton, but no one knows for sure.
初始地壳，尤其是前寒武纪的变质基底是金矿密集区形成的物质基础。
It is thought that the original crust, especially the metamorphose basement of Precambrian is the base of gold-ore formation.
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。
Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.
二叠纪全球性大规模火山活动，致使区内整个中寒武纪的火山沉积岩普遍发生变质。
Afterward, global large-scale massive volcanic activity in Permian Period generally brought about metamorphism whole middle Cambrian Period volcanic sediment rock in research area.
一些乐观的人士将这种技术的繁荣比作是5亿年前寒武纪的大爆炸，当时地球上的进化在某种程度上呈爆发态势，因为细胞已经开始完善和正常化。
Some excited people have likened this technological upheaval to the Cambrian explosion 500m years ago, when evolution on Earth speeded up in part because the cell had been perfected and standardised.
以准噶尔煤盆地的构造演化为依据，以煤矿产为“化石”，通过对煤盆地形成和构造演化各个阶段的研究，确定了准噶尔煤盆地具有前寒武纪的结晶基底。
On the basis of tectonic evolution in Junggar coal basin and taking coal mineral as "the fossil" and by way of studying the basin formation and tectonic evolution in every stage.
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。
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.
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”。
This rapid origin and diversification of animals is often referred to as "the Cambrian explosion".
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。
Shortly after the Cambrian explosion, mud slides rapidly buried thousands of marine animals under conditions that favored fossilization.
尽管伊迪卡拉是以澳大利亚的一处地名而命名，但伊迪卡拉沉积层却遍及世界各地，并且可追溯到前寒武纪时代。
Although named after a site in Australia, the Ediacaran formation is worldwide in distribution and dates to Precambrian times.
动物学家们会知道寒武纪大爆发时期的进化顺序吗？
Will zoologists ever know the evolutionary sequences in 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。
The third fossil formation containing both soft-bodied and hard-bodied animals provides evidence of the result of the Cambrian explosion.
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 Cambrian explosion involved rapid evolutionary diversification, followed by the extinction of many unique animals.
然而，使所有的黑土形成冰川作用的问题是，在前寒武纪沉积物中广泛分布有黑土。
The problem with ascribing all tillites to glaciation, however, is that tillite deposits are widespread in Precambrian sediments.
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。
Like a gene in the Cambrian seas of the early Web, information was copied and recopied endlessly.
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。
RD: I know you're working on a programme about Cambrian and pre-Cambrian fossils, David.
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。
To be born during this, the Cambrian Explosion—why, I couldn't imagine a better period, really.
斯普里格感到十分兴奋，因为化石外观很不寻常，并且他相信化石上的生物属于寒武纪起始的那段时期，这样一来，化石上的生物便是当时发现的最古老的动物物种了。
Sprigg was excited by both the unusual appearance of the fossils and by their age, which he believed to be the beginning of the Cambrian, and made them the oldest animal forms yet seen.
两侧对称动物在寒武纪繁衍旺盛，因此追踪它们的起源对了解动物是如何进化而来的十分重要。
Bilateral animals flourished in the Cambrian so tracing their origins is crucial to understanding the pace of animal evolution.
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。
The Ediacaran fossil record thus stretches the origins of animals to well before the Cambrian Explosion.
在5亿年前的寒武纪，似蠕虫生物逐渐演化成似鱼生物。
During the Cambrian period, 500 million years ago, worm-like creatures were evolving into fish-like creatures.
10亿到5亿四千万年之间，就是在化石中发现许多生命之后的寒武纪大爆发时期。
This period, from 1 billion to 540 million years ago, is known as the "Cambrian explosion" after the riot of diverse life found in the fossil record.
10亿到5亿四千万年之间，就是在化石中发现许多生命之后的寒武纪大爆发时期。
This period, from 1 billion to 540 million years ago, is known as the "Cambrian explosion" after the riot of diverse life found in the fossil record.
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