单项选择题
A.U.S.A B.China C.U.K D.Japan
A true bearing of a charted object，when plotted on a ch...
单项选择题A true bearing of a charted object，when plotted on a chart，will establish a （）.
A.fix B.line of position C.relative bearing D.range
A chart position enclosed by a semi-circle is a(n) （）.A...
单项选择题A chart position enclosed by a semi-circle is a(n) （）.
A.fix B.estimated position C.dead reckoning position D.running fix
（）is a term denoting the determination of a ship’s posi...
单项选择题（）is a term denoting the determination of a ship’s position by observations of Celestial or terrestrial objects，or by a combination of both．
A.Course-planning B.Position-fixing C.Radar-plotting D.Stowage-plan making
