第四部分进行项目的技术、经济指标分析，研究项目的可行性。
The forth part analysis the technical and economic index of the project, and research the feasibility of project.
本文依据模糊综合评价的基本原理，通过对影响施工机械选型的技术和经济指标分析并进行归一化处理，科学合理地确定权重，建立了模糊评价选优决策模型。
In this paper, according to the principle of fuzzy synthetic evaluation method, first, the technical and economic indexes which influence the optimum selection of machinery are analyzed.
在对一系列经济指标进行了颇为精确的分析之后，美国国家经济研究局正式宣布了经济衰退的到来。
America's National Bureau of economic Research has officially declared a recession based on a more rigorous analysis of a range of economic indicators.
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