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基于WebGIS的农业病虫害预测预报专家系统（Expert System Based on WebGIS for Forecast and Prediction of Agricultural Pests）
网络地理信息系统 农业病虫害 预测预报
2009/8/11
以开源版MapGuide为WebGIS二次开发平台，结合.net技术开发了具有B/S三层网络架构的农业病虫害预测预报专家系统。依循专家经验预测方法构建病虫知识库，知识存放于SQL Server 2000数据表中，病虫害种类按照地理区域划分，各表所包含的病虫害影响因子描述、特征临界值、判别条件组合以及发生等级间构成一种网状模型。系统采用基于知识的前向型推理与基于系统案例推理相结合的方式。用户依据系统...
Simulation mathematical model of expert system for working processes management
expert system simulation mathematical models agricultural technological systems
2014/2/26
The elementary simulation mathematical models presented in this article are related with the sub-system Crop production of the expert system for the decision support in technological and working proce...