CIDG International data Group - China is the emerging interactive Internet information data processing, technical research and development, design, marketing and application service providers.
CIDG国际数据集团是目前国内新兴的的互联网交互式信息数据处理、技术研发、设计、推广及应用服务的提供商。
CIDG International data Group - China is the emerging interactive Internet information data processing technical research and development design marketing and application service providers.
CIDG国际数据集团是目前国内新兴的的互联网交互式信息数据处理、技术研发、设计、推广及应用服务的提供商。
Definition of: ISDN (Integrated Services digital Network) an international standard for switched, digital dial-up telephone service for voice and data.
定义：ISDN(综合服务数字网络)，是一个国际转换标准，是为了语音和数据的数码拨号上网电话服务。
Definition of: ISDN (Integrated Services digital Network) an international standard for switched, digital dial-up telephone service for voice and data.
定义：ISDN(综合服务数字网络)，是一个国际转换标准，是为了语音和数据的数码拨号上网电话服务。
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