A、always shows true north direction
B、indicates the vessel's heading
C、is always parallel to the vessel's transom
D、is located on the compass card
更多“The lubber’s line of a magnetic compass（）.”相关的问题
A、geographic pole and the magnetic pole B、lubber's line and true north C、horizontal and the magnetic line of force D、compass heading and the magnetic heading
A、A.Card B、B.Needle C、C.Lubber's line D、D.Gimbals
A、compass north B、the direction of the vessel's head C、magnetic north D、a relative bearing taken with an azimuth circle
A、the compass heading is in line with the lubber's line B、there is no lost motion in the gimbal rings C、no change of heading by compass is observed if you raise and lower the heeling magnet D、the gimbal rings do not strike the compass frame when they are tilted
A、The Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call sign B、A line of blip code on a radar screen outward from the SART's position along its line of bearing C、A line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearing D、None of these
A、without the necessity of manually adjusting the lines B、without the necessity of automatically adjusting the lines C、with the necessity of manually adjusting the lines D、with the un-necessity of automatically adjusting the lines
A、A.Magnetic materials of the same polarity repel each other and those of opposite polarity attract B、B.The Earth's magnetic lines of force are parallel to the surface of the Earth C、C.Magnetic meridians connect points of equal magnetic variation D、D.The compass needle(s) will，when properly compensated，lie parallel to the isogonic lines of the Earth
A、A.Magnetic materials of the same polarity repel each other and those of opposite polarity attract B、B.The Earth's magnetic lines of force are parallel to the surface of the Earth C、C.Magnetic meridians connect points of equal magnetic variation D、D.The compass needle（s）will，when properly compensated，lie parallel to the isogonic lines of the Earth
A、A.the border flange’s excursion and flection B、B.the both end shafts line’s accordance C、C.the border flange’s flection and the both end shafts line’s accordance D、D.the border flange’s accordance and both end shafts flection degree
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