一、引言 从技术经济分析方法所用经济评价准则来看，无论是欧美技术经济分析方法，还是前苏联技术经济分析方法，其实质都旨在寻求净收益最大的方案，因此，两类方法所有经济评价准则是一致的，都可统一为净收益最大这个准则。两类方法中的具体方法所用的相应经济评价准则都是 I. INTRODUCTION According to the economic evaluation criteria used in the technical-economic analysis method, both the technical and economic analysis methods in Europe and the United States or the technical and economic analysis methods in the former Soviet Union are essentially aimed at seeking the solution with the largest net income. Therefore, Evaluation criteria are the same, can be unified into the largest net income of this criterion. The specific methods used in the two methods are all based on the corresponding economic evaluation criteria