5. ______ is a cooperative search and rescue satellite system operated by the U.S. and Russia which provides worldwide coverage by sensing the signals of Emergency Position Indicating Radiobeacons (EPIRBs)
(A) INMARSAT
(B) GPS
(C) NNSS
(D) COSPAS/SARSAT

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統計: A(54), B(28), C(13), D(373), E(0) #1444698