网络释义
1)American Public Transit Association,美国大众运输协会2)Transportation Association of America,美国运输协会3)Popular Culture Association,美国大众文化协会4)American Society of Traffic and Transportation,美国交通运输协会5)ATA Air Transport Association of American,美国航空运输协会6)American Association of State Highway and Transportation Officials(AASHTO),美国州公路及运输协会
