At the background of Sanghai area with prosperous economy and huge traffic, corresponding mathematical model is established to analyze and evaluate the synthetical effect of tolling.
以经济发达、交通量大的上海地区为研究背景，建立相应的数学模型，分析评价高速公路收费的综合效益。
On the background of Liaoning province freeway, a two way traffic model of freeway entrance around city was established.
以辽宁省高速公路问题为实际背景，建立了环城高速公路入口匝道处双方向放行交通模型；
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