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根据云南水稻栽培的特点，对“系统”的功能提出要求。应用系统分析方法对水稻栽培专家 的经验及知识进行分析，从而归纳出获取水稻高产的“专家思路模型”，筛选出海拔高度、稻田土壤 肥力、品种特征特性等７个与水稻栽培措施有关的主导因子，并对它们之间的关系进行综合研究， 建立相应的数学模型。同时收集必要的数据。在此基础上，以Ｗｉｎｄｏｗｓ９５为平台，ＶＢ５．０为编程语 言进行“系统”开发。经试用效果明显，用户接受，专家满意。图６，参７。
According to the characteristics of Yunnan rice cultivation, the “system” function requirements. Based on the analysis of the experience and knowledge of rice cultivation experts, the “expert train of thought model” for high-yielding rice was summarized, and the selection of seven models that are related to rice cultivation measures, such as altitude, paddy soil fertility and characteristics of cultivars, was screened out Factor, and a comprehensive study of the relationship between them, the establishment of the corresponding mathematical model. At the same time collect the necessary data. On this basis, using Windows95 as a platform, VB5.0 as a programming language for “system” development. After the trial effect is obvious, the user accepts, the expert is satisfied. Figure 6, reference 7.