A.fix
B.estimated position
C.dead reckoning position
D.running fix
您可能感興趣的試卷
你可能感興趣的試題
A.Hifix
B.Hyperfix
C.Trisponder
D.WGS84
A.Aero light
B.Radar station
C.Radar transponder beacon
D.Radiobeacon
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
最新試題
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?（）
Every chart is liable to be incomplete（）.
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 numeral in the center of a wind rose circle on a pilot chart indicates the （）.
The maximum difference between mean time and apparent time is （）.
The shoreline on charts generally represents the mean（）.
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
A chart with a scale of 1:80，000 would fall into the category of a（）.
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
Which information does the outer ring of a compass rose on a nautical chart provide（）.