求翻译：3. 利用主成分分析法，对统计过的数据进行整合处理，将限速是考虑的多因素变量进行降维处理，得到对道路限速时的主要参考因素。是什么意思？

Using principal component analysis, statistics on data integration processing, the speed limit is to consider multi-factor variables reduce the dimension of the reference factor in the speed limit on the road.

3.- The ingredients of the statistical methods of analysis, the data integration process, the speed limit is the number of factors into account in the processing variables on the road, and is a major speed limit.

3. Using the principal components analytic method, to has counted the data carries on conformity processing, is the consideration multi-factor variable carries on the regulating falls Uygur to process, obtains to time the path regulating main reference factor.

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