A.can use radar information from one object to fix the position
B.should never use radar bearings
C.should only use radar bearings when the range exceeds the distance to the horizon
D.must use information from targets forward of the beam
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最新試題
Aboard a survival craft，ether can be used to（）.
On an Atlantic Ocean voyage from New York to Durban，South Africa，you should expect the Agulhas Current to present a strong（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
Of the following，（）is not likely found in The Mariners Handbook.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.
Many of the lights on this coast are placed so high as to be frequently obscured by（）.
A sweep oar is an oar that is（）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.