求翻译：广州地铁是中国广东省广州市的城市轨道交通系统，于1997年6月28日开通，并由广州市地下铁道总公司负责营运管理，广州地铁的远期规划长度是600公里。是什么意思？

Guangzhou Metro, Guangzhou City, Guangdong Province in China's urban rail transit system, on June 28, 1997 opened by the Guangzhou Metro Corporation is responsible for operational management, long-term planning of Guangzhou Metro length is 600 km.

正在翻译，请等待...

The Guangzhou subway is the Chinese Guangdong Province Guangzhou's city track transportation system, cleared in June 28, 1997, and was responsible for transport business management by Guangzhou Underground railway Main corporation, the Guangzhou subway forward plan length is 600 kilometers.

Guangzhou metro urban rail transit system in China's Guangzhou City, Guangdong Province, opened on June 28, 1997, and the Guangzhou Metro Corporation is responsible for operation management, long term planning of the Guangzhou metro is 600 km in length.

Guangzhou metro urban rail transit system in China's Guangzhou City, Guangdong Province, opened on June 28, 1997, and the Guangzhou Metro Corporation is responsible for operation management, long term planning of the Guangzhou metro is 600 km in length.