單項(xiàng)選擇題

The description Racon beside an illustration on a chart would mean a （）.

A.radar conspicuous beacon
B.circular radiobeacon
C.radar transponder beacon
D.radar calibration beacon

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單項(xiàng)選擇題

The compass rose on a nautical chart indicates both variation and （）.

A.deviation
B.annual rate of variation change
C.precession
D.compass error

單項(xiàng)選擇題

The charts sold are of （）.

A.newly edition with up to date correction and in reasonable prices
B.the current edition and incorporate the last Notices to Mariners correction
C.the current edition and incorporate the latest Notices to Mariners correction at the time of sale
D.brand-new one with up to date correction and clean writing

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The description Racon beside an illustration on a chart would mean a （）.

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The compass rose on a nautical chart indicates both variation and （）.

The charts sold are of （）.