（）is a term denoting the determination of a ship’s position by observations of Celestial or terrestrial objects，or by a combination of both．<br>A:Course-planning<br>B:Position-fixing<br>C:Radar-plotting<br>D:Stowage-plan making

（）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

出自：海船船员证

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