求翻译：本文以亚泰大街（自由大路至南湖大路）为主要研究对象，对此路段不同线型和不同交通环境的车辆运行速度进行调查，以此来对道路限速提供参考依据。是什么意思？

Yatai Street (free road to South Lake road), the sections of different linear and traffic environment, vehicle speed survey, the reference to the road speed limit.

This article in the Thai street (free road to South Lake Road) as the main object of study, the different type of line the road and traffic environment of different vehicle speed, and to the Road Speed Limit Provides reference.

This article take the Asian peaceful avenue (free main road to the Lake Nanhu main road) as the main object of study, regarding this the road section different linear and the different transportation environment vehicles running rate carries on the investigation, comes by this to the path regulating

This article to Yatai Avenue (ziyou to Nanhu road) as the main study object, different styles and different traffic on this section of environment investigation of vehicle speed, in order to provide reference for the speed limit on roads.

正在翻译，请等待...