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In order to select a perfective procedure and protocol for the fine grain OSL dating, measurements of natural IRSL and GLSL signals from a range of modern sediment samples collected from different sedimentary environment, tests of IRSL and GLSL bleaching behaviors for loess fine grains under sunlamp, and comparisons of the equivalent dose determined by different methods have been undertaken, as well as IRSL and/or GLSL dating of more than forty sediments samples taken from late Quaternary deposit strata at different site in North China.

为了选择更合适于中国北方沉积物样品细颗粒OSL测年的实验程序和技术，进行了华北地区不同沉积环境的现代沉积物样品的细颗粒天然IRSL和GLSL信号测量，黄土细颗粒IRSL和GLSL的光晒退测试，不同方法获得的等效剂量值的比较分析，以及取自华北不同地区的40余个晚第四纪沉积物样品的IRSL和GLSL测年。

The nature gas which lie supergene strata leak to surface along concealed fault is the reason why it formed geochemical abnormity in surface soil.

中浅层的天然气沿断裂渗漏到地表，是地表土壤中形成有机地球化学异常的原因。

In a word, the use of the pressure test observation, similar simulations, numerical simulation, theoretical analysis, and other means, analyzed systematic to the behavior of superincumbent strata in mining 45 degree coal seams using horizontal section top-coal caving ,and it is for the 45 degree coal seams safe, high-yielding, and high efficiency production of research is of great significance.

综上所述，本文利用现场实测、相似模拟、数值模拟、理论分析等手段，较系统地对45°煤层水平分段综放开采后的上覆岩层移动破坏规律进行了分析，对于45°煤层安全高产高效生产的研究具有重要的意义。

Detailed researches are implemented to behavior of superincumbent strata in mining 45 degree coal seams using horizontal section top-coal caving in this paper.

本文针对45°特厚煤层水平分段放顶煤开采后的上覆岩层移动破坏规律进行了深入研究，指出45°特厚煤层开采后老顶破断后在一定层位形成了沿倾斜方向的铰接岩梁结构，即倾斜岩梁。

The proletariat, the lowest stratum of our present society, cannot stir, cannot raiseitself up, without the whole superincumbent strata of official society being sprung into the air.

无产阶级，现今社会的最下层，如果不炸毁官方社会的整个上层，就不能激起自己，提高自己。

The proletariat, the lowest stratum of our present society, cannot stir, cannot raise itself up, without the whole superincumbent strata of official society being sprung into the air.

无产阶级，现今社会的最下层，如果不炸毁构成官方社会的整个上层，就不能抬起头来，挺起胸来。

The coal bearing strata in Huainan area is situated in the south-east portion of the North China platform,a synclinorium with northwest by west.

淮南地区构造位置处于华北地台东南部，是一呈北西西向展布的复式向斜。

To form layers or strata.A toroid generated by a circle; a surface having the shape of a doughnut.

环面，环形圆纹曲面圆圈形成的超环面；具有炸面圈一样形状的表面

The lower strata of the middle class — the small tradespeople, shopkeepers, and re

以前的中间等级的下层，即小工业家、小商人和小食利者，手工业者和农民──所有这

The lower strata of the middle class -- the small tradespeople, shopkeepers, retired tradesmen generally, the handicraftsmen and peasants -- all these sink gradually into the proletariat, partly because their diminutive capital does not suffice for the scale on which Modern Industry is carried on, and is swamped in the competition with the large capitalists, partly because their specialized skill is rendered worthless by the new methods of production.

以前的中间等级的下层，即小工业家、小商人和小''。'食利者'。''，手工业者和农民----所有这些阶级都降落到无产阶级的队伍里来了，有的是因为他们的小资本不足以经营大工业，经不起较大资本家的竞争；有的是因为他们的手艺已经被新的生产方法弄得不值钱了。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。