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民航术语PPC是什么意思

PPC:Point To Point Communication 平面通信

a point-to-point connection refers to a communications connection between two nodes or endpoints. An example is a telephone call, in which one telephone is connected with one other, and what is said by one caller can only be heard by the other. This is contrasted with a point-to-multipoint or broadcast communication topology, in which many nodes can receive information transmitted by one node.

平面通信指点对点通信交流,也就是单线交流;这与多点交流相对照,多点交流指一个节点发出信息可以被许多节点接受。