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‘????? ??? ??? ????’? ??? ????(UHF, Ultra High Frequency) ???? ??? ?????? ????? ??? ????? ??? ?? ? ??? ?????? ??? ???. ??? ??? ??? ????? ??? ?????? ??? ??? ??? ??? ??? ?????? ????? ???? ??? ??? ????? ????? ?? ???.
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??? ????? ??·???? ????? “?????? ??????(IFF) ???? ???? ??? ???? ???? ??? ??????? ??? ??? ?”??? “?????? ?? ????? ?? ??? ??? ?? ? ?? ????? ?????? ????? ?????? ??? ?”??? ???.
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