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1·Main stratums of exploration are Permian and Carboniferous.

勘探层位以石炭系和二叠系为主。

2·Stratums that fly through the night, in your terms now, have known consciousness and song.

你们所谓的现在，在晚间飞越你们的地层已经知道意识和歌唱。

3·It is one of the stratums which are lower degree of exploration and research in the Qaidam basin.

柴达木盆地石炭系主要分布在柴东地区，是该盆地勘探和研究程度较低的层系之一。

4·While a scholar tries to dig fossils out of stratums in order to prove that the world has really been there.

也有学者想要找出些蛛丝马迹正在地层中挖掘化石。

5·Because there exists market failure, the middle and lower income stratums usually show insufficient paying ability.

但是由于市场存在着内外部的缺陷，中低收入阶层在居住方面往往表现为支付能力不足。

6·Emergence stratums are of Sinian, Devonian, Permian, Trias and intrusive granite dike and coarse - grained granite dike.

出露地层为震旦系、泥盆系、二叠系、三叠系以及侵入的花岗岩脉和花岗伟晶岩脉。

7·Domestic housing problems of the low incoming social stratums are being solved with cheep-rent-house systems of safeguard.

国内低收入阶层住房问题是运用廉租住房保障体系加以解决。

8·The chemical grouting material has safe surface operation, and has good water plugging effect on stratums with micro cracks.

本发明地面操作安全，细微裂隙地层堵 水效果好。

9·The common problems and treatment of cast-in-place piles in special stratums during casting period are introduced in this paper.

特殊地层中灌注桩钻进与浇筑过程中常遇问题与处理办法。

10·Original benefit structure is adjusting and differentiating profoundly, and appear some new society stratums whose pursuit is variety day by day.

我国社会原有利益格局正进行着深刻的调整、分化，出现了一些新的社会阶层和日益多样化的利益诉求。

地层

1·Drilling with complex pressure system is a worldwide difficult problem. Several different pressure gradient stratums exist in the same bare hole section, which is very common in the drilling process.

复杂压力系统钻井是当今钻井技术领域的世界性难题，钻井过程中常常碰到多个不同压力梯度的地层处于同一裸眼井段中。

2·The common problems and treatment of cast-in-place piles in special stratums during casting period are introduced in this paper.

特殊地层中灌注桩钻进与浇筑过程中常遇问题与处理办法。