스터디모드 10문제 진행중

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1. What is a definition of "OVER" in aviation radio phrase?

  • 1
    My transmission is ended.

  • 2
    My transmission is ended and I expect a response from you.

  • 3
    Let me know that you have received and understand this message.

  • 4
    This conversation is ended and no response is expected.
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