中文摘要：

通过建立温室投资风险效益评估指标体系,利用修正层次分析法建立各因素之间的权重,采用D-S证据理论方法建立温室投资风险效益评估模型,并开发温室投资风险效益评估专家系统。系统可通过不同专家进行评估,再进行温室投资方案的综合评估,为温室投资者选择合适的温室结构类型提供参考依据。

英文摘要：

In order to analyze the risk-benefit assessment for greenhouse investment,risk-benefit assessment index system for greenhouse investment was established,and the weight of the factors was determined by using revised analytic hierarchy process.The risk-benefit assessment model of greenhouse investment was established based on D-S evidence theory.Expert system for risk-benefit assessment of greenhouse investment was developed.By means of the expert system,each expert can give the assessment for every program,and then the system assesses the risk-benefit comprehensively according to the ideas of each expert.The result can provide the basis for the investors to choose the proper greenhouse structure.