The structural properties of 3 bus-transport networks(BTN) are studied in three different cities of China.

The latter is usually used, as it can precisely show the size of the civil aviation network and indicate the extent of civil aviation serving the national economy and the people.

The latter is usually used, as it can precisely show the size of the civil aviation network and indicate the extent of civil aviation serving the national economy and the people.

To enhance trade and personnel exchanges, China proposes that a regional transport network be considered as a priority in future cooperation.

The gridlock has drawn attention to the growth in vehicle traffic that has been fueled by the country's rapid economic growth and the government's race to expand the national transportation network.