A.newly edition with up to date correction and in reasonable prices
B.the current edition and incorporate the last Notices to Mariners correction
C.the current edition and incorporate the latest Notices to Mariners correction at the time of sale
D.brand-new one with up to date correction and clean writing
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A.C
B.Cl
C.Co
D.c
A.Surging
B.Spilling
C.Plunging
D.Converging
A.you should stay to the north or east of the buoy
B.you should stay to the west or south of the buoy
C.the buoy is a major lighted buoy
D.nothing special for navigational purposes
A.magnetic equator
B.magnetic longitude reference line
C.points where there is no variation
D.points where there is no annual change in variation
A.prevailing wind directions
B.prevailing ocean current directions
C.probable surface current flow
D.shortest great circle routes
最新試題
The revision date of a chart is printed on which area of the chart? （）
The numeral in the center of a wind rose circle on a pilot chart indicates the （）.
A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.
That the scale of any part of a chart to be larger than the scale of the survey is（）.
The only cylindrical chart projection widely used for navigation is the （）.
The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
The soundings on the chart are based on the depth of water available at （）.
A chart position enclosed by a square is a（n）（）.
The maximum difference between mean time and apparent time is （）.