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
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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
A.Date of the first edition
B.Date of the edition and，if applicable，the revision
C.Information on the sounding datum
D.Information on which IALA buoyage system applies
A.A curved line drawn on a Mercator Chart
B.A course line that inscribes a loxodromic curve
C.The shortest distance between any two points on the earth
D.The smallest circle that can be drawn on the face of a sphere
最新試題
Every chart is liable to be incomplete（）.
（）is not a position-fixing system.
Charts showing the coast of Mexico are produced by the United States（）.
Which chart symbol indicates the bottom is clay（）.
The maximum difference between mean time and apparent time is （）.
On chart，bearings to near objects should be used in preference to objects farther off，because（）.
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
The survey information upon which a chart is based is found （）.
The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.
What defines a great circle? （）