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中国民航正在计划实施航空卫星移动业务(AMSS)通信。
CAAC is planning to establish the aeronautical mobile satellite services (AMSS) communications system in China.
youdao
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中国民航正在计划实施航空卫星移动业务(AMSS)通信。
CAAC is planning to establish the aeronautical mobile satellite services (AMSS) communications system in China.
youdao