查询词典 erosion

Serious erosion of soil and water in refuse dump is key and main task of land restoration in open cast mine of steppe region, which induce salination and degradation of soil in surroundings.

沙棘是草原露天矿排土场理想的复垦植物，可以在短时期内形成郁闭的人工沙棘灌丛，土壤培肥和水土保持效果显著，并明显减缓坡下草场盐渍化程度。

From water loss and soil erosion,encroachment of sea water, ground subsidence ,desertification of land,soil salination,landslide and other aspects the research contents of environmental geotechnical engineering are discussed.

介绍了环境岩土工程的定义及其研究现状，从水土流失、海水入侵与地面沉降、土地砂化及盐碱化、滑坡与山崩等方面探讨了环境岩土工程的研究内容，分析了环境岩土工程的特点，并针对环境岩土工程今后的发展提出了一些建议，以供参考借鉴。

From water loss and soil erosion,encroachment of sea water,ground subsidence,desertification of land,soil salination,landslide and other aspects the research content s of environmental geotechnical engineering are discussed.

介绍了环境岩土工程的定义及其研究现状，从水土流失、海水入侵与地面沉降、土地砂化及盐碱化、滑坡与山崩等方面探讨了环境岩土工程的研究内容，分析了环境岩土工程的特点，并针对环境岩土工程今后的发展提出了一些建议，以供参考借鉴。

Yet the amount of cropland is not likely to grow much: newly cultivated land probably will barely surpass the amount of land lost to agriculture because of erosion, urbanization, and salination.

另外，预计在接下来的五十年內，全球将增加约30亿人，他们的可能食物来源就是农田。

Compression and inversion action make series of traps, tectonic traps and stratigraphy traps are the primary trap types, Tectonic traps can be classified into anticlinal traps (compressional anticlinal trap, drape anticlinal trap, faulted anticlinal trap) and fault block trap (scalariform fault block trap, arcuate fault block trap, crossed fault block trap). Stratigraphy traps can be classified into stratigraphic onlap trap and stratigraphic erosion unconformity trap.

后期受挤压、反转作用的影响形成了一系列的圈闭，主要的圈闭类型有构造圈闭和地层圈闭，构造圈闭又可划分为背斜圈闭(挤压背斜圈闭、披覆背斜圈闭、断裂背斜圈闭)和断块圈闭(阶梯状断块圈闭、弧形断块圈闭、交叉断块圈闭)；地层圈闭可分为地层超覆不整合圈闭和地层削蚀不整合圈闭。

The scintillant chamber is renovated and some new techniques are used to the ZnSscreen,which makes the instrument damp-proof and anti-erosion.

研制中对闪烁室进行了大胆的革新，对 Zn S屏采用了新工艺和高科技技术处理，彻底解决了 Zn S防潮难题，同时大大提高了抗腐蚀能力，大幅度延长了闪烁室的寿命，拓宽了应用环境。

However, seme environmental problems such as eutrophication,bacterial contamination and erosion of lake-shore have been brought about due to the improper management of the lake and no attention having been paid to its environmental protecticr.

淀山湖南北长15公里，东西宽7.5公里，呈葫芦状，周长53.8公里，面积62平方公里，水深2米左右，总蓄水量1.3亿立米，平均流速0.03米/秒，是黄浦江上游的主要水源地之一图1

Coastal erosion is a problem in Alaska as well, forcing the United States to prepare to relocate seral Inuit villages at a projected cost of $100 million or more for each one.

海岸线锐减也是阿拉斯加需要面临的重要问题。这也使美国被迫作出决定，着手转移几个因纽特人的村庄。而每座村庄所需的迁徙费用都高达100，000，000美元。

There is also a worrying trend toward ground and aerial spraying to control a highly invasive weed called sericea lespedeza, introduced decades ago to curb erosion around mines and provide forage and cover for wildlife around reservoirs.

另一个令人担忧的对象，是一种被叫做草海桐的胡枝子科植物，人类将其喷洒于地面和空中，用以控制入侵的杂草。数年前人们用它来防止水土流失，并给水库周围的野生动物提供饲料。

First , erosion resulting from excessive deforestation in the upper reaches of the river and , second ,heavy silting which ra

第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。