A.fix
B.running fix
C.estimated position
D.dead-reckoning position
您可能感興趣的試卷
你可能感興趣的試題
A.estimated position
B.dead reckoning position
C.fix
D.None of the above
A.dead-reckoning position
B.running fix
C.estimated position
D.fix
A.fix
B.dead-reckoning position
C.running fix
D.probable position
A.plane tangent at one point
B.cylinder tangent at one parallel
C.cone tangent at one parallel
D.series of cones tangent at selected parallels
A.when at anchor
B.only when making way
C.at any time when underway
D.only when the identifying lights are not being shown
最新試題
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.
The Coast Radio Stations are found in（）.
Many of the lights on this coast are placed so high as to be frequently obscured by（）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.
An inflatable liferaft is hand-launched by（）.
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 （）.