Geological Mapping Division of Huaibei Coalmine Group
region division mapping
survey and mapping division
Xi’an Division of Surveying and Mapping
Xi’an Technical Division of Surveying and Mapping
Xi′an Technical Division of Surveying and Mapping
Xian Technical Division of Surveying and Mapping
wavelength-division-division-multiplexing
s-mapping and strong s-mapping
the land surveying and mapping office of JiangSu surveying and mapping bureau
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)