求翻译：匝道控制是目前高速公路交通控制的一种有效方式，是高速公路交通控制重要组成部分。匝道控制分为入口匝道控制和出口匝道控制。入口匝道控制基本目标是控制高速公路的交通需求。以高速公路主线交通流为控制对象，以匝道入口流量为系统输入控制量，通过计算匝道上游交通需求与下游道路容量差来寻求最佳入口匝道流量控制，从而使高速公路本身的交通需求不超过其容量，使高速公路主线交通流量处于最佳状态。是什么意思？

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Ramp Control is the current highway traffic control one effective way and it is also an important part of the traffic control. Ramp Control into entry ramp control and exit ramp control. Entry ramp control the basic goal is to control the highway traffic demand. The main line to the expressway traff

The circular route control is the present highway transportation control one effective way, is the highway transportation control important constituent.The circular route control divides into the entrance circular route to control and to export the circular route control.The entrance circular route

Ramp control is an effective approach to traffic control, is an important part and traffic control. Ramp metering is divided into ramp ramp control and export control. Ramp control the basic goal is to control highway traffic demands. Control of Expressway traffic flow, ramp entrance flow of input f

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