通过对几种煤气净化工艺的分析，用决策分析法进行优化评价的基础上选择煤气的脱硫工艺。
Through analysis on different gas purification process, gas desulfurization process is selected on the basis of optimal evaluation by means of decision analytical method.
本文采用的研究方法主要有对比分析法、实证分析法、投资决策分析法、数据模型分析法等。
This article USES the research method basically has comparative analysis, empirical analysis and investment decision analysis, data model analysis, etc.
论述工程地质决策理论的具体方法(经验判断法、工程类比法、优劣对比法、决策分析法)，归纳总结各方法的优缺点及适用原则。
In this paper, the engineering geological decision-making methods, including the advantages and disadvantages of each method and application principles are addressed and summarized.
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