求翻译：随着密度的增大，有信号控制路段的平均速度和平均流量均明显低于其他两种情形。当密度大于0.22时，无信号控制人行横道的对车流流量和速度的影响开始显现。是什么意思？

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As density increases, there is a signal of the control section AVERAGE SPEED and average traffic is significantly lower than the other two cases. When the density is greater than 0.22 and no signal CONTROL-lane road to the traffic flow and pace of starting to show.

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As the density increases, signal control sections of the average velocity and average flow rate will be significantly lower than the other two scenarios. When the density is greater than 0.22, no signal controlled pedestrian crossing traffic flow and speed of the effects begin to emerge.

Along with density enlargement, has the signal control road section average velocity and the mean discharge obviously is lower than other two situations.When the density is bigger than 0.22, the non-signal control person good by-way starts to the stream of vehicles current capacity and the speed inf