Next, Effect Variance Analysis and Ridge Regression of Chemical Mass Balance were used to calculate the source apportionment.

最后用化学质量平衡法的有效方差分析，脊岭回归分析计算源的分配。

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Also the receptor modeling system, measurement and analysis techniques and the modeling study methods were expounded. The comments on hotspot and trend in source apportionment were given.

对受体模型的研究体系、测量分析技术、研究方法作了详细阐述，并对源解析近期的研究热点及发展趋势作了评述。

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