A.Aero light
B.Radar station
C.Radar transponder beacon
D.Radiobeacon
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A.the meridian through the object of the bearing
B.the meridian through the ship's position
C.the meridian midway between the ship and the object
D.any meridian
A.a straight line drawn on the chart approximates a great circle
B.the chart should not be used outside of the standard parallels
C.the course angle is measured at the mid-longitude of the track line
D.distance cannot be measured directly from the chart
A.Light List
B.Notice to Mariners
C.On the chart
D.Coast Pilot
A.Easily plotted on a Mercator chart
B.Negligible increase in distance on east-west courses near the equator
C.Does not require constant course changes
D.Plots as a straight line on Lambert conformal charts
A.Survey information
B.Scale
C.Date of first edition
D.Projection
最新試題
The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.
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（）.
Particular care is needed when navigating in the vicinity of（）as very few of these features have been fully surveyed to modern standards to determine their correct position，full extent，or the least depth over them.
The short-long dashed magenta line around Gardiners Island marks（）.
On a Mercator chart，1 nautical mile is equal to（）.
Which aid is NOT marked on a chart with a magenta circle? （）
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
What is NOT an advantage of the rhumb line track over a great circle track? （）
Every chart is liable to be incomplete（）.
The only cylindrical chart projection widely used for navigation is the （）.