Abstract: A model of mean generating function prediction has been set up by analyzing characteristics of the monthly and seasonally change in the densities of four main pollution agents (SO2, NOX, CO,TSP)in Beijing city.

• 文摘:通过分析北京城区4种主要空气污染物(SO2、NOX、CO、TSP)浓度的月、季变化特征，建立起均生函数预测模型。