It is of great significance on how to construct a quantitative evaluation model of comprehensive national power. At present, there are a few methods for evaluating the comprehensive national power;and the general methods are subject to the sub-jective factors. In this paper, the comprehensive evaluation methods based on nonlinear principal component analysis is proposed and characterized by better stability and reliability. By virtue of this method, the comprehensive national power of major countries in the world is evaluated in this paper.%如何构建一种定量的综合国力评价模型具有重要意义。当前评价综合国力的方法不多，一般方法易受主观因素影响。本文给出非线性主成分分析综合评价方法，有较好的稳定性和可靠性。利用该方法，本文对世界主要国家的综合实力进行了评价。
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