These supply much useful revelation for studying the dynamic mechanism of the soil erosion chain in slope and ditch syst em, and effectively controlling water and soil losses in loess hilly and gully a rea.

• 这些为研究和揭示坡沟系统土壤侵蚀链的动力机制，以及有效控制与治理黄土丘陵沟壑区的水土流失现象，提供了许多有益的启示。