left alternative division ring

mutiple-ring division

pre-division ring

division gamma ring

wavelength-division-division-multiplexing

ring-ring-section

engineering district；maintenance of way section；track division；track district；track maintenance division

flow division and sediment division

time division duplex code division multiple access

time division duplex-code division multiple access

time division duplexing-coding division multiple a

time division synchronous code division multiple access

Time Division-Code Division Multiple Access TD-CDMA

time division-synchronization code division multiple access (TD-SCDMA)

Time Division-Synchronize Code Division Multiple Access

Time Division-Synchronize Code Division Multiple Access (TD-SCDMA)

time division-synchronous code division multiple a

Time Division-Synchronous Code Division Multiple Access (TD-SCDMA)

time division-synchronous code division multiple access standard