The computer network technology, satellite communication technology and multi-media technology offer a new teaching mode for the distance education.

计算机网络技术、卫星通信技术和多媒体技术为远程教育提供了一种新的教学模式。

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Based on the reality of coexistence of multi-mode equipment in power communication transmission network in Ningxia, the importance of network bridge in network management was expounded.

基于宁夏电力通信传输网络多制式设备共存的现状，阐述了网桥在网络管理中的重要性。

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Therefore, facing the multi-mode in the wireless communication system, existing radio stations can not meet the need of personal communication object.

因此，面对无线通信系统中的多种制式，现有的无线电台无法满足未来个人通信的目标。

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