It is the basis for rational soil conservation policy and project to distinguish the natural erosion and manmade erosion (human erosion).
通过侵蚀指数、自然侵蚀指数、人为侵蚀指数等指标的构建,计算了鲁中南山地各流域水土流失的自然侵蚀背景,进而得出人为侵蚀强度的流域差异。
The Zi-wuling forest region provides a good study area for tracing back eco-environmental change and natural erosion and man-made accelerated erosion.
黄土高原大部分地区因严重的土壤侵蚀,已丧失原有的自然景观,子午岭林区为追溯研究自然侵蚀和人为加速侵蚀与生态环境演变提供了研究基地。
Appling several statistical methods including cluster analysis, stepwise regrression and mononization of multiple variars, we have some research on the problem that which is the main reason of the soil erosion natural erosion or human accelerated.
我们应用统计方法,包括果类分析、逐步回归、多元化一元等方法,对土壤侵蚀中自然侵蚀和人类活动加速侵蚀哪方面影响比重大这一问题进行了研究。
Rock formations old as time have been exposed by natural erosion.
由于自然侵蚀,古老的岩层已经暴露在外。
The group of natural processes, including weathering, dissolution, abrasion, corrosion, and transportation, by which material is worn away from the earth's surface.
腐蚀,侵蚀指使材料从地表磨损、消耗的一组自然过程,包括风化、溶解、磨蚀、浪蚀、腐蚀和搬运
Research on the area of natural ecological restoration in eroded hilly granite land Gen-xi River watershed (Chang-ting Country of Fujian Province) as an example;
花岗岩侵蚀地自然生态修复区域研究——以长汀根溪河流域为例
Randomness of Chloride Ion Erosion in Concrete and Service Life Prediction under Natural Environment
自然环境下混凝土氯离子侵蚀的随机性及寿命预测
Soil Erosion Processes on Sloping Grassland in Heaven Lake Nature Reserve of Xinjiang Wei Autonomous Region
新疆天池自然保护区草地坡地土壤侵蚀规律研究
STUDY ON CHLORIDE IONS' EROSION AND RANDOMNESS FOR EXISTING CONCRETE IN NATURAL ENVIRONMENT
自然环境下既有混凝土的氯离子侵蚀及随机性研究
sheet erosion (sheet wash)
片蚀, 表土侵蚀, 片状侵蚀
Illustrative Analysis on Erosion of Sulphuric-acid Environmental Water to Concr ete
天然硫酸环境水对混凝土的侵蚀例析
"Certain naturally occurring conditions may corrode the valve or its components over time, rendering the valve inoperative."
某些自然环境长时间的作用可能会侵蚀阀门及其部件,造成安全阀失去作用。
To erode or be eroded by abrasion.
侵蚀通过磨损而侵蚀或被侵蚀
Aggression would meet its own response.
侵略会自然遭遇反抗。
thermal etching
热腐蚀;热浸蚀;热力学侵蚀;热蚀;热蚀法
The findings here fit with acute erosive gastropathy, but there are other patterns.
图示急性侵蚀性胃炎,当然也有其它类型。
aggressive water
腐蚀性水;侵进水;侵入水;侵蚀水;侵蚀性水
To lower or wear by erosion or weathering.
侵蚀通过侵蚀或风化降低或磨蚀
Rain and frost are natural agents that wear away rocks.
雨和霜都是磨蚀岩石的自然力。
To cause erosion or gradual diminishment.
侵蚀,消耗使侵蚀或渐渐减小
The first stage in the erosion cycle.
侵蚀的初期侵蚀圈的第一阶段
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