A.fixed to
B.needed for
C.pushed to
D.drawn to
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A.U.S.A
B.China
C.U.K
D.Japan
A.fix
B.line of position
C.relative bearing
D.range
A.fix
B.estimated position
C.dead reckoning position
D.running fix
A.Course-planning
B.Position-fixing
C.Radar-plotting
D.Stowage-plan making
A.frequent
B.so frequent
C.frequent that
D.so frequent that
最新試題
What defines a great circle? （）
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 arrangement of charts in the catalogue is（）.
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?（）
On a Mercator chart，1 nautical mile is equal to（）.
（）is not a position-fixing system.
When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.
The description Racon beside an illustration on a chart would mean a （）.
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（）.