145According to SMCP, a seamark, i.e. a buoy, indicating the nor
2023-12-01成-单-掌握-修正-002
145According to SMCP, a seamark, i.e. a buoy, indicating the north, east, south or west, i.e. the cardinal points from a fixed point such as a wreck, shallow water, banks, etc defines（ ）.
A.Cardinal buoy
B.Indicating buoy
C.Navigational buoy
D.Safety buoy
正确答案是A
