古生代

The identification of the Early Caledonian granites is of important significance in studying the geological tectonic evolution of the area.

早古生代花岗岩的确认对该区地质构造演化研究具有重要意义。

The metamorphism of the Xingdong Group may also have relation to the Early Caledonian tectonothermal events.

兴东群变质作用可能也与早古生代构造-热事件有关。

This belt provides information that constrains how the Cimmerian subcontinent was assembled.

在西藏拉萨地块的东部，从松多到加兴，在晚古生代石英岩和碳酸岩地层中分布着一条近东西走向的榴辉岩带。

The discovery of adakitic dacite confirms that ocean-continent subduction occurred in Early Palaeozoic on the northern margin of Qaidam basin.

柴北缘埃达克质英安岩的发现进一步证实了早古生代柴北缘发生过洋陆俯冲作用。

CO2-Forced Climate and Vegetation Instability During Late Paleozoic Deglaciation - The covariance of atmospheric CO2 levels, surface temperatures, and global ice volume indicates that greenhouse gases controlled climate about 300 million years ago.

二氧化碳被迫在晚古生代气候和植被不稳定冰消-方差大气二氧化碳水平，表面温度、与全球冰量显示控制温室气体气候约三亿多年ago.authors：伊莎贝尔页montańez，尼尔j。

The Devonian Was the Age of Fish!

当古生代的海洋闭合，各大陆开始互相碰撞。

In west Guangxi, Late Paleozoic basic lava which were considered as the diabase, only scattered in Devonian and Lower Carbonaceous as interlayers with limited thickness.

广西西部广泛分布的基性岩，过去被认为是侵入的辉绿岩，晚古生代的基性熔岩只在泥盆系和下石炭统中零星分布，呈夹层产出，厚度不大。

The following examples of oil and gas fields in distributary and delta-fringe sand bodies range in age from Late Paleozoic to Middle Cenozoic.

下面所列举的是分布于分流和三角洲前绿砂体的油气田的例子，在地质时代上从晚古生代至中新生代。

The performances of modified asphalt with different contents of Indonesian Buton Rock Asphalt and Esso based dasphalt A-70 are studied with the experiments.

布敦岩沥青是产于印度尼西亚布敦岛的天然岩沥青，由古生代石油渗透到岩层中，经过长期的海底沉积、承受压力和地质变动而形成的沥青岩，其中沥青含量约为20%，其余为石灰岩矿物质。

Extinct fishlike jawless vertebrate having a heavily armored body; of the Paleozoic .

已经灭绝的长有很重披甲的鱼形无颚动物；古生代的生物。

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。