This thesis introduced the implementation of the digital TV network application of a HFC based uplink access system, which provides the uplink channel for inter-active operation.
本文研究的基于HFC的上行接入系统应用于数字电视网络中，为交互式操作提供上行通道。
E-commerce middleware is a kind of key software to integrate e-commerce application, and can use to solve inter-connection and inter-operation problem of e-commerce application.
电子商务中间件是一种电子商务应用集成的关键件，可用于解决电子商务应用的互连和互操作的问题。
E-commerce middleware is a kind of key software to integrate e-commerce application, and can use to solve inter-connection and inter-operation problem of e-commerce application.
电子商务中间件是一种电子商务应用集成的关键件，可用于解决电子商务应用的互连和互操作的问题。
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