W - CD MA是一种支撑各种各样语音、视频和数据服务的蜂窝网络；WiMAX是一种支持各种各样器件中接入互联网的无线技术。
Wideband Code Division Multiple Access, or W-CDMA, is a cellular network supporting a wide range of voice, video and data services.
作为信息公路“最后一公里”的接入网部分已经成为当前网络瓶颈之所在，各种宽带接入技术也成为了目前研究的热点。
As the "last kilometer" of information highway, access net is the bottleneck of the current networks. So the technology of broadband access turns into the hotspot of the research.
ATM技术综合了电路模式和分组模式的优点，为各种业务的综合接入和信息的高速传输提供了技术基础。
The ATM synthesize the advantage of circuit mode and package mode and base technology foundation for synthetic access of various multimedia service and high transport of information.
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