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根据统计学中的主成分因素分析法原理，通过建立模型对某露天矿半连续运输系统中的各子系统生产状况进行了对比分析，得出了各子系统生产状况优劣排序，为露天矿的优化设计和生产管理提供了依据。
According to the principle of principal component factor analysis in statistics, the author makes a comparative analysis on the production status of each subsystem in the semi-continuous transportation system of an open-pit mine by establishing the model, and obtains the ranking of the production status of each subsystem. The optimal design and production management provides the basis.