cambrian period

Teachers play different role during the dissimilar period. Cambrian Period the complete period;

教师在PBL实施过程中不同时期充当不同的角色，起着不同的作用。

Gypsum or anhydrite, as a common sedimentary composition in China, almost exists in every age from the Cambrian period of Paleozoic to the Tertiary of Neozoic.

在我国，从古生代的寒武纪一直到新生代的第三纪，几乎每个时代都有石膏或者硬石膏的沉积。

A study of the fluid environment of silicalite of transitional Precambrian-Cambrian age in Hunan and Guizhou provinces Cambrian Period

湘、黔地区前寒武&寒武纪过渡时期硅质岩生成环境研究

The marine sedimentary P deposit mainly formed in Early Cambrian Period, the known P bearing areas, where were effected most by the sea water intrusion from South and West, where the intrusive distance were the shortest can be studied as the important phosphorite deposits areas;

海相沉积型磷块岩矿床主要形成于早寒武世，受南面和西面海水侵入影响最大、侵入距离最近的已知含磷地区可作为磷块岩矿床重点研究靶区；

A series of discoveries and studies on ancient life forms in the20th century demonstrated that Cambrian was a geological period full of the wildest imagination.

20世纪古生物的一系列发现和研究，证明了寒武纪是一个最能激发人们想象力的地质时代。

The sudden appearance of the major animal phyla of metazoa in the fossil record apparently records a phase of rapid evolution at the base of the Cambrian period and this has become known as the "Cambrian explosion".

主要后生动物门类化石在寒武纪初期的突然出现记录了生命史中一个从未有过的快速演化时期，这一事件被称为“寒武纪爆发（Cambrian explosion）”。

The Pb-Zn mineralization is controlled by the Hanyuan-Emei depression and a contemporaneous fault in the middle of the depression during the Late Sinian-Early Cambrian Dengying Period.

成矿作用受晚震旦世早寒武世北东东向延伸的汉源峨眉凹陷及同生断裂带的控制。

Carbonate Gravity-Flow Sedimentation from Middle Cambrian Period to Lower Ordovician Period in Sandu-Danzhai Region

三（都）&丹（寨）地区中寒武世至早奥陶世碳酸盐重力流沉积

There was a deposit of carbonate gravity flow from Middle Cambrian Period to Lower Ordovician Period in Sandu& Danzhai area.

三（都）&丹（寨）地区在中寒武世至早奥陶世发育了一套别具特色的碳酸盐重力流沉积。

The soluble rocks in this area are the carbonate rock constructions of the Sinian, the Cambrian and the Ordovician period.

区内可溶岩地层为震旦纪、寒武纪及奥陶纪碳酸盐岩建造。

During the Cambrian to Ordovinian period, there was a very magnificent continental slope, which is band-shaped distributing along the line Shanghai, Wuxi, southern Anhui.

寒武奥陶纪时，在中国南方曾经存在一个十分壮观的大陆斜坡，现今主要沿着无锡皖南赣西北鄂东南湘西黔东广西呈带状分布。

The area we debated is in infraneritic environment at the Meishucunian Age, early Cambrian Period, when deposited a suit of carbonate and phosphate.

川西南滇东地区在早寒武世梅树村期处于上扬子浅海环境，沉积一套浅海碳酸盐和磷酸盐。

In the Cambrian period, in its unique structure-sedimentary evolution process, the development of marine strata have good prospects for oil and gas exploration, as a high-quality gypsum cap rock in oil and gas accumulation has played a crucial role.

在寒武纪期间，在其独特的构造-沉积演化过程中，发育的海相地层具有良好的油气勘探前景，膏盐岩作为优质盖层在油气的成藏中发挥了至关重要的作用。

To the beginning of Cambrian period, there are a large number of small shelly animals, this indicates a new phase of development of biological kingdom.

寒武纪开始，有大量多门类小壳动物，植物界则有刺球藻亚群，这表明生物界已发展到一个新阶段。

Cambrian Period Music was procreated in clan-society.

乐在我国原始氏族社会时期就已经产生了。

It dates to the very early Cambrian period, and it also contains only soft-bodied forms.

它形成于寒武纪的早期, 并且同样只含有软体动物化石.

Sedimentary type deposits usually formed during late Sinian to Cambrian period.

沉积型铅锌矿主要形成于晚震旦世&寒武纪；

It is also the country's 31st UNESCO Site. Chengjiang's fossils are exceptionally well-preserved examples of a very wide variety of marine organisms from the early Cambrian period. It's a great testimony to the diversity of life that existed on earth 5-hundred million years ago.

澄江化石地共涵盖16个门类、200余个物种，这在世界同类化石地中极为罕见，完整展示了寒武纪早期海洋生物群落和生态系统。

AMONG the mysteries of evolution, one of the most profound is what exactly happened at the beginning of the Cambrian period.

进化悬案中，最具深远意义的是寒武纪的起源问题。

But two centuries after it was noticed, in the mountains of Wales after which the Cambrian period is named, nobody knows what detonated it.

当其被发现的两个世纪以后，在寒武纪命名的威尔士山，没有人知晓爆发的原因。

In view of the characteriatics of level movement of the plate, this paper reveals mainly the moverment state in geological periods of the Siberia plate and deals with the total processes of rotation drift movement of the plate since the Cambrian period.

本文试从展现板块的水平运动特点出发，着重揭示西伯利亚板块在各地质时期的运动状态，从而阐述该板块自寒武纪以来的旋转漂移的全过程。

It happened at a late stage of Cambrian Period;

寒武纪晚期发生过一次；

The low angular step shape thrusts BD4DF 、 BD4D1F were formed during middle Cambrian period to Devonian period and have been activated again since Palaeogene period.

该构造中的低角度坡坪式逆断层BD4DF、BD4D1F形成于中寒武世-泥盆纪，自古近纪开始又发生活动。

Cambrian period Cambrian explosion and the Chengjiang fauna

寒武纪爆发与澄江动物群

The relationship between marine volcanism and ore-forming process from the end of Late Proterozoic era to Cambrian period in Northern Qilian Mts

纸房地区具有早奥陶世海相火山岩存在。北祁连山元古代末－寒武纪海相火山作用与成矿作用的关系

It belongs to an extinct family of marine animals called anomalocaridids, which first appeared during the Cambrian Period 520 million years ago.

它属于已灭绝的奇虾属（anomalocaridid）海洋动物，最早是在5.2亿年前的寒武纪出现的。

Cambrian The earliest period of the Paleozoic era, about 590-510 million years ago.

寒武纪：地质年代古生代的第一个纪，在五亿九千万到五亿一千万前。

The palaeo-geotherm gradient is 3.2~ 3.5 ℃/ 100m in early Ordovician Period and Cambrian Period, and it decreases distinctly from then on.

早古生代塔中地区古地温梯度较高，寒武纪&早奥陶世地温梯度为3.2～3.5℃/100m，此后地温梯度显著下降；