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尺度转换是进行不同尺度间侵蚀产沙模拟的关键所在。
Scale transfer is the key of soil erosion and sediment yield modeling in different scales.
认识侵蚀产沙过程中的尺度转换方法是进行不同尺度间侵蚀产沙模拟和尺度转换的基础。
Understanding the methods of scale transfer in the processes of sediment yield is the base of soil erosion and sediment yield modeling in different scales and scale transfer.
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。
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.
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