求翻译：为了缓解南宁市城市交通拥堵、优化城市空间布局、提高居民出行质量、改善城市环境、支持城市发展，轨道交通建设已经纳入南宁市“十二五规划”的重点。是什么意思？

Nanning to ease urban traffic congestion, optimize the layout of urban space, to improve the quality of the residents travel, improve the urban environment, to support urban development, rail transit construction has Narunanning City "Twelve Five-Year Plan," the focus.

Nanning city, in order to ease traffic jams, and optimize the urban layout of space travel, improve quality, improve the urban environment residents, support for the city development, track traffic-building have been incorporated in Nanning City", "35 planning focus.

In order to alleviate the Nanning municipal transportation to support stops up, optimizes the city space layout, enhances the inhabitant to go on a journey the quality, improves the urban environment, supports the urban development, the orbital transportation construction already integrated Nanning

In order to alleviate the traffic jam in Nanning city, optimizing the layout of urban space, improving the quality of resident trip, improving the urban environment, support urban development, has been incorporated into the construction of rail transit in Nanning city "Twelve-Five plan" key.

Salve for Nanning city traffic congestion, urban space layout optimization, improve travel quality, improving urban environments, support urban development, Nanning, rail construction has included "Twelve-Five programming" focus.