求翻译：为了客观评价和分析当下中国商业银行的竞争力态势，首先选择了合适的绩效指标评价体系，然后以国内比较重要的20 家商业银行作为研究对象，建立主成分分析模型，对各个商业银行的综合绩效水平进行排名，最后对商业银行的绩效水平作出评价分析。是什么意思？

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In order to objectively evaluate and analyze when commercial banks in the PRC of the competitive landscape, first select the appropriate performance indicators to evaluate systems, and then to the more important of the 20 commercial banks as an object of study, establish the main ingredient analysis

In order to the objective evaluation and the analysis the China Commercial bank's competitive power situation, first has immediately chosen the appropriate achievements target appraisal system, then by the home quite important 20 commercial bank took the object of study, establishes the principal co

For an objective assessment and analysis of China commercial bank's competitive posture, first select the appropriate performance evaluation system, then more important 20 commercial banks in the country, as the object of study, principal components analysis model is established, for each ranking le

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