The aviation industry used GDS - the Global Distribution System - for decades, because there were computers in travel agents, airports and airlines across the globe.
航空业应用gds——全球分销系统——有数十年了，因为全球的旅行社，机场和航空公司都用计算机开展工作。
The hardware of this system is based on the layer distribution structure of the IPC data collecting system and the network communication of upper and lower computers.
该系统硬件采用基于I P C的数据采集系统及上、下位机网络通信的分层分布结构；
The hardware of this system is based on the layer distribution structure of the IPC data collecting system and the network communication of upper and lower computers.
该系统硬件采用基于I P C的数据采集系统及上、下位机网络通信的分层分布结构；
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