蜂窝数字分组数据通信网(CDPD)是新一代移动无线数据通信技术。
CDPD is a new kind of mobile wireless data communication technology.
软件无线电技术已经成为第三代移动通信系统中的关键技术。
SR technology has been the key technology of the 3rd generation mobile communication system.
软件无线电技术已经成为第三代移动通信系统中的关键技术。
SR technology has been the key technology of the 3rd generation mobile communication system.
应用推荐