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水利、林业、农牧３部门投资及受益农民投工是汝阳山区过去、现在乃至将来一个时期内开展小流域综合治理的基本形式。在市场经济形势下，如何界定、规范３个部门的投入规模及产出数量，无疑对入股开发、按股分红、进而推动治理工作具有十分重要的意义。运用矩阵对水保数据库中的有关资料进行了概化计算，最后设计出了一个可供今后规划应用的投入产出数学模型。
Water conservancy, forestry, agriculture and animal husbandry 3 sector investment and benefiting peasants to invest in the Ruyang mountains in the past, now and in the future for a period of time to carry out the basic form of comprehensive management of small watershed. Under the market economy situation, how to define and standardize the input scale and output quantity of the three departments is undoubtedly of great significance for the development of shares, dividend distribution according to shares and further promotion of governance. Using matrices, the relevant data in the database of soil and water conservation are generalized and calculated. Finally, a mathematical model of input-output for future planning and application is designed.