28. ______ is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraph.
(A) ARPA
(B) ECDIS
(C) NAVTEX
(D) SART
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統計: A(10), B(8), C(181), D(21), E(0) #3457459
統計: A(10), B(8), C(181), D(21), E(0) #3457459