Terrestrial Flight Telecommunications System
...陆地飞行通信系统;第二部分:语音业务,无线接口 英文名称 Radio Equipment and Systems (RES);Terrestrial Flight Telecommunications System (TFTS);Part 2: Speech services, radio interface 发布日期 1996-02-01 工作组 RES 5 采标情况 采..
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