古生代

During end_Proterozoic and early Early Paleozoic, the northern row extended into archipelagic oceans, which closed by the end of Caledonian stage and formed foreland basins along the northern margin of the microplates.

元古代末至早古生代早期，北列拉张成多岛小洋盆，它们在加里东末期关闭，并在微板块群北缘形成前陆盆地带。

Within the belt ,the mid-late Proterozoic green-schists were ovethrust from south to north onto the late Paleozoic granitic batholith at a low angle.

中晚元古代浅变质的绿片岩系自南向北以低角度辗掩于晚古生代花岗岩基之上。

The results of this research will include setting up the diagnostic criterions, classification system and its matched diagenetic model of carbonate exposed unconformity and relative sea-level fluctuation.

该项目的实施有助于了解早古生代华北板块的构造-沉积演化，并为相关油气资源的勘探和开发提供重要科学依据。

Simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants.

分布于欧洲和加拿大东部的古生代简单的二岐式植物，包含最古老的脉管陆地植物。

Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants.

分布于欧洲和加拿大东部的古生代简单的二岐式植物，包含最古老的脉管陆地植物。

A large number of microgranular dioritic enclaves occur in some post-collisional metaluminous-peraluminous granites, in Kubusunan orebody, in Kalamaili area, eastern Junggar, North Xinjiang.

新疆东准噶尔卡拉麦里地区库布苏南晚古生代后碰撞准铝质过铝质花岗闪长岩体中广泛发育大量的暗色微粒闪长质包体。

This provides an evidence for discrimination and epoch of syn-orogenic granitoid, and also serves as a new chronological restriction for the subduction-orogeny of Altay orogen in Eopaleozoic (Ordovician-Devonian).

这为阿尔泰造山带的同造山花岗岩的鉴别和时代确定提供一个证据，也为阿尔泰造山带在早古生代的俯冲造山提供了一个新的年代学制约。

Bedded cherts, with varying thickness, are widely distributed in some typical eopaleozoic high Se black shales in China.

在中国早古生代若干高硒黑色岩系中发育有数层的厚度不等的层状硅质岩，SiO2 含量一般在 90 %以上，岩石富Fe ，相对贫Mn、Al、Ti。

Besides,Qaidam granitoid in the ZWL belt western also be discussed,it belong to granitoid emplaced in the late orogenic Eopaleozoic.

此外，还对出露于宗务隆带西段的柴达木花岗岩进行了讨论，它属于早古生代造山后侵位的花岗岩。

Beiqinling is between Shangdan Fault and Baoji-Luonan-Luanchuan Fault, it have own particularities in structure, geochemistry, physical geography and stratigraphy, on the stand of tectonic, it's the real division between north China and south China, and the key region to study the evolution of Qinling erogenic belt during later Paleozoic-early Mesozoic.

北秦岭构造带夹持在宝鸡—洛南—栾川断裂带和商丹断裂带之间，其组成及结构构造既不象其北侧的华北板块南缘构造带那样与华北板块相似，也不象其南侧的南秦岭构造带那样与扬子板块相似，在地层、构造、地球化学和地球物理各方面均具有独特性，从大地构造意义上说，它才是中国大陆南北之间的真正分界带，也是解析秦岭晚古生代一早中生代演化的关键区段。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。