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对中国国道、省道环形交叉口道路及交通特性进行了分析研究，在此基础上首次以间隙－接受理论建立了适于中国低渠化环形交叉口通行能力的理论模型。
The road and traffic characteristics of China’s national highway and provincial highway roundabouts are analyzed and studied. Based on this, for the first time, a theoretical model suitable for the capacity of China’s low-channelized roundabouts is established based on gap-acceptance theory.