CATV (Common Antenna TeleVision) 共用天线,有线电视 CCS (Common Channel Signalling) 公共信道信令 CDMA (Code Division Multiple Access) 码分多址 CDPD (Cellular Digital Packet Data System) 蜂窝数字分组数据 CO (Central Office) 中心局 COS (Class of Service) 业务类别,服务等级 CPU (Central Processing Unit) 中央处理机 CSCW(Computer Supported Coorperative Work)计算机支持的协同工作 CTI (Computer Telephone Integration )计算机电话集成 Centrex (CENTRal EXchange )集中用户交换机 CLI(Calling Line Identification )主叫线识别 CCSN (Common Channel Signalling Network ) 公共信道信令网 CBE (Computer Based Education )以计算机为基础的教育 CDN(Content Delivery Network)内容分发网络 CDSL(Customer DSL)用户自定义DSL CSP(Chip Scale Package)芯片级封装
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