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民航術語PPC是什麽意思

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.

平面通信指點對點通信交流,也就是單線交流;這與多點交流相對照,多點交流指壹個節點發出信息可以被許多節點接受。