Monitoring of groove erosion could not only help to know the soil erosion rules, but be very useful for the production of sediment at small watershed and regional scales.
沟槽是径流与输沙通道和侵蚀主体，沟槽侵蚀监测对揭示水土流失规律和进行流域产沙模拟有重要意义。
The paper summarized the new advances for international soil erosion model, and analyzed the rules of scales' changes.
作者对国外当前土壤侵蚀模型的最新进展进行了综述，并对侵蚀产沙的尺度变异规律进行了分析。
Soil erosion caused by exploitation and construction during diversion and irrigation work had certain particularity, and the soil and water conservation of which had special rules too.
引水灌溉工程开发建设项目，在施工中产生的水土流失，具有一定的特殊性；其水土保持方案设计，也有一定的规律可循。
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