A.Feet
B.Yards
C.Fathoms
D.Meters
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A.fish trap areas
B.naval exercise areas
C.underwater cables
D.recommended track lines
A.A regulated anchorage
B.Fish trap areas
C.An area closed to the public
D.Underwater cables
A.High water line
B.Low water line
C.Low water spring line
D.Tide level
A.Amphibious training areas
B.Grounds for dredge spoil
C.Fish trap areas
D.Gunnery exercise areas
A.on a regional basis
B.on a national basis
C.shown orderly
D.appeared from A to W
最新試題
On a Mercator chart，1 nautical mile is equal to（）.
That the scale of any part of a chart to be larger than the scale of the survey is（）.
When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.
The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.
The path that a vessel is expected to follow，represented on a chart by a line drawn from the point of departure to the point of arrival，is the（）.
When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）
Which chart symbol indicates the bottom is clay（）.
The short-long dashed，magenta lines parallel to York River Entrance Channel mark（）．
The shoreline on charts generally represents the mean（）.
The arrangement of charts in the catalogue is（）.