本文利用系统分析方法，提出了进行城市燃气系统气源结构、规模及能流优化配置的定量分析方法。
On use of system analysis method, the paper puts forward a quantitative analysis method to optimize gas resources constitution, capacity and energy flow for town gas system.
本文用模糊系统分析的方法，建立一个地区的L.R— L.P模型，利用模型的参数进行预测，提供一种辅助方法。
This paper uses the fuzzy system analysis to set up a regional L. R-L. P model, forecast with the parameter of the model and provide an auxiliary method.
本文主要应用模糊数学、单纯型矩阵和系统分析的方法，对河南省南阳地区旅游资源评价及其开发利用等问题进行研究。
The paper discussed and evaluated the development and application of tourist re-sources in Nanyang prefecture, Henan province, based on fuzzy maths, matrix and system analysis.
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