Principle component analysis is based on multi-statistics method, and turning into an important way to proceed data for production monitoring and quality control.
主成分分析属多元统计方法，正逐步成为控制领域中一种重要的数据处理方法，用于生产监测和质量控制。
The method to estimate typical weather day is discussed by statistics and analysis on the basis of meteorological data.
对某地区多年气象资料进行统计和分析，给出大气环境影响评价中典型气象日的确定方法。
In this paper, the carrying capacity of regional water resource was analyzed and evaluated with the method of main component analysis, according to water resources statistics data of Xian city.
运用主成分分析法对区域水资源承载力进行分析评价，评价结果客观地反映了西安市及各区的水资源开发利用状况。
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