从心理学角度，以大城市无信号控制人行横道过街行人为研究对象，对行人过街延误进行定量分析研究。
From the view of psychology, the crossing delay of pedestrians crossing un-signalized crosswalks in big cities was quantitatively analyzed.
基于概率论方法和可穿插间隙理论，分析了人行横道由无信号控制方式过渡至信号控制方式的设置条件；
Meanwhile, the set condition that pedestrian crossing transform from non-signal control mode to signal control mode was analyzed by using probability theory and gap acceptance theory.
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