( 4 ) for the first time introduced jieke theory in water resources system , analyzed character parameter of water resources system jieke , included opening degree , exchange rate , thickness and magnitude . established importance theory foundation for quantify research of water resources system perimeter control （ 4 ）首次将界壳论引人水资源系统，分析了水资源系统界壳的特征参量，这些控制参量包括界壳开放度、界壳交换率、界壁厚度以及界门大小等，为水资源系统周界控制的定量化研究奠定重要的理论基础。
From the viewpoint of large - scale system analyzed two coincidence systems in water resources system , namely water quantity - water quality - eco system and social economy - water resources - time and space adjustment and control system . the synergetics theory and dissipative structure theory are introduced in water resources system 从大系统的角度分析了流域水资源系统内的两大偶合系统即水量-水质-生态耦合系统和社会经济-水资源-时空调控耦合系统，将协同学与耗散结构理论引入水资源系统。
This paper has analyzed the nature and quantitative description method of the carrying capacity of urban water resources system by means of the systematic study method . based on thought and theory of balance of water resource system , adopting systematic method to set up a model and forecast urban scale . this paper also has taken the city of kunming as an example to analyze water resources , population , water supply and drainage , economy development of kunming and forecast urban scale of kunming 本文对城市水资源的开发利用状况与城市发展规模的相互关系进行了研究，采用系统研究方法，对城市水资源承载力的实质、及定量表达方法做出了分析；应用水资源系统的平衡思想、水资源系统的平衡理论、水资源系统的平衡公式，取城市中的经济、人口、城市降水地域等等资料，树立水资源系统的平衡为根本的思想、应用科学的数理统计，以及水资源系统的平衡的科学地决策城市发展规模。
At last , this paper combines the reasonable distribution of water resources with social economy development and ecology environment protection . from the angle of system analysis , the multi - objective analysis model , macroeconomy model , optimization and simulation water system model are presented . macroeconomy water resource system is optimized and simulated from different time with methods of combining optimization with simulation technology and quantitative with qualitative analysis 最后将水资源合理配置、社会经济发展、生态环境保护紧密结合起来，从系统分析的角度出发，建立了王益区水资源合理配置多目标分析模型、宏观经济模型和水资源系统优化模拟模型，用优化与模拟技术相结合、定量与定性分析相结合的方法，从不同时间层次上对宏观经济、水资源系统进行了优化和模拟。
American multipurpose river basin simulation model mitsim is used for reference . to a certain extent the model is a computer model in common use . it is suitable for chinese standard with " date driving , module assembling , menu operating " . this model consist of three parties as follows : 1 . river simulation model 本项研究结合松辽流域北水南调工程水资源系统，在参考美国麻省理工学院研制的多目标多用途水文经济模拟模型mitsim的基础上，建立了一个具有较强通用性、适合我国规范的、采用数据驱动、模块组合、结构化设计、菜单式操作的计算机模拟模型。
This paper first presents the uncertainty of water resources and the process of fuzzy set theory in this field , then analyzes the current conditions of agricultural water resources and its sustainable developments in our country . based on the researches in this field , considering its character of multi - objective , multi - layer , multi - function and multistage , this paper mainly deals with the fuzziness and stochastic uncertainty of agricultural water resources system . the major contents and research results are as follows : 1 based on chen shouyu ' s fuzzy set theory , this paper presents a fuzzy optimal multi - dimension and multi - objective dynamic programming model , then two methods are given 本文首先阐述了水文水资源的不确定性及模糊水文水资源学的发展现状，分析了我国农业水资源现状及其可持续利用，在论述区域农业水资源优化领域研究现状的基础上，鉴于农业水资源系统优化的多目标、多层次、多功能、多阶段、多维与随机的特征，针对系统中普遍存在的模糊性和随机性开展研究，主要研究内容和研究成果概括如下： 1 、基于陈守煜提出的多目标模糊优选动态规划理论，提出复杂水资源系统的多维多目标模糊优选动态规划问题的两种求解办法：多维多目标的决策序列相对优属度总和最大法和多维多目标阶段模糊优选动态规划方法。
