9. ______ acquires the positions by only considering the courses steered and the speed of the
vessel.
(A) fix
(B) Running fix
(C) Estimated position
(D) Dead reckoning
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統計: A(84), B(130), C(98), D(303), E(0) #1764759
統計: A(84), B(130), C(98), D(303), E(0) #1764759