【摘要】 工业制成品贸易是当今国际贸易的主流，为了优化我国工业制成品的贸易结构，必须对工业制成品出口行业进行综合评价，而构建科学且切实可行的综合指标体系是进行评价的关键。采用主成分分析法对这一问题进行了探讨，建立了以生产效率、利润率、发展趋势、技术水平等4个因素组成的综合指标体系。更多还原

【Abstract】 Production Trade is the main current of international trade nowadays. For optimizing thestructure of our Production Trade, we must evaluate the industries of our Production Trade comprehensively. To do so, it is critical to design a scientific and practical comprehensive index system. This article discusses this topic by analysis of main factors, and create a comprehensive indexsystem consisting of productivity, profit rate, developing trend and technical level.更多还原