Two million years of stream erosion went on to create two rugged coastal valleys, and a series of ice ages left the slopes covered with pine forests.
两百万年的河流冲蚀形成了两个高低起伏的海岸山谷，而一系列的冰川时代使山坡覆盖上松林。
The primary inducing factors of sand-sliding are surface water, ground water, stream erosion, dynamic load action, wind load action, freezing-and-thawing action, plant and man-made factors.
溜砂的主要诱发因素是地表水、地下水、河流冲刷、动荷载作用、风荷载作用、冻融作用、植物及人为因素。
This "no-till" form of agriculture minimises soil erosion, but it then also sets the stage for corn byproducts to enter nearby stream channels.
这种“免耕”的农业形式最大限度地减少土壤流失，但它随后还是把玉米副产品的后续影响转嫁给了附近的河道。
A quantitative evaluation of beneficial result in conserving water and protecting soil erosion of froest in the upper stream of Miyun reservoir is produced from the information system.
利用该系统对密云水库上游密云县境内水源保护林的水源涵养与防止土壤侵蚀效益进行了定量评价。
Stream and river control works may have a serious local influence on accelerating channel erosion.
水流及河流控制工程对加速河道冲刷有严重影响。
The model is applied to forecast the variation process of main stream direction, cross section and channel slope of a conceptualized curved river under the erosion of clear water.
应用建立的水沙数学模型以及河岸冲刷模型，模拟了一概化弯道在持续清水冲刷下的主流线位置、断面形态、主槽比降的变化过程，模拟结果符合弯道演变规律。
The model is applied to forecast the variation process of main stream direction, cross section and channel slope of a conceptualized curved river under the erosion of clear water.
应用建立的水沙数学模型以及河岸冲刷模型，模拟了一概化弯道在持续清水冲刷下的主流线位置、断面形态、主槽比降的变化过程，模拟结果符合弯道演变规律。
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