An analysis of trace element and oxide enrichment pattern is carried out by using factor analysis method.
利用因子分析法对微量元素和氧化物的富集规律及其环境意义进行了探讨。
Based on SSE-CMM, by using layer analysis, we give the evaluation method of the information systems, the risk factor and the estimation method of disaster loss.
以sse - CMM为基础，应用层次分析方法，讨论了信息系统风险度评判算法，并给出了灾难损失估计方法。
Using the method of factor analysis, the paper establishes mathematics model of hospital medical performance appraisal.
运用因子分析方法，建立了医院医疗绩效综合评价的模型。
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