220 kV centralized control substation
centralized bidding of the purchasing
centralized base-band pool
centralized baseband pool
centralized ballast system
centralized backup protection
centralized automatic testing system
centralized automatic testing
centralized automatic test system {= CATS}
centralized automatic message accounting-operator number identification
Centralized Automatic Message Accounting CAMA
centralized automatic message accounting
集中式自动记帐设备
集中自动讯息帐务
集中式自动信息计算