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运用多年观测资料，详实论证了坡耕地与梯田之间的经济效益，保水保上效益，为小流域的科学规划提供了可靠的理论数据。
The multi-year observational data are used to demonstrate the economic benefits of sloping farmland and terraced fields and the benefits of water conservation and protection, thus providing reliable theoretical data for the scientific planning of small watershed.