The main requirement of network multimedia application to multimedia communication technology is allowing application program to set the Quality of Service of communication.
由应用程序指定通信服务质量是网络多媒体应用对多媒体通信技术提出的主要要求。
However, compared with fixed network, the wireless communication network which supports mobile computing has low bandwidth and poor quality.
然而，与固定网络相比，支持移动计算的无线通信具有带宽小、通信质量差的特点。
In the paper, a practical compound network structure is discussed, that is used in a quality control system (QCS) on paper-making, meanwhile we talk over some protocol of correlative communication.
论述了一种实用于抄纸过程质量控制系统(QCS)的计算机混合式网络结构，并讨论了各类相关的通讯协议。
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