A、permanent magnetism
B、subpermanent magnetism
C、induced magnetism
D、variable magnetism
更多“The magnetism in the various structures of a ship changing as a result of cruising，vibration，or aging is termed（）.”相关的问题
A、induced magnetism in the vessel's horizontal soft iron B、change in the magnetic field when the vessel inclines from vertical C、permanent magnetism of the vessel D、magnetic fields caused by electrical currents in the vicinity
A、the horizontal component of the permanent magnetism B、deviation caused by the vessel's inclination from the vertical C、induced magnetism in the horizontal soft iron D、induced magnetism in the vertical soft iron
A、use the magnets one at a time，putting one in one side and then one on the opposite side，one step higher B、use the magnets in pairs，starting at the top，with trays at the highest point of travel C、use the magnets in pairs，from the bottom up，with the trays at the lowest point of travel D、fill all the trays with magnets，then remove them one-by-one until the deviation is removed
A、The Flinders bar B、The heeling magnet C、Quadrantal soft iron spheres D、Bar magnets in the binnacle
A、Worn gears in the compass housing B、Magnetism from the earth's magnetic field C、Magnetism within the vessel D、Lack of oil in the compass bearings
A、induced magnetism in vertical soft iron B、induced magnetism in horizontal soft iron C、permanent magnetism in ship's steel D、vessel's inclination from the vertical
A、Induced magnetism in vertical soft iron B、Induced magnetism in horizontal soft iron C、Permanent magnetism in ship's steel D、Vessel's inclination from the vertical
A、A.worn gears in the compass housing B、B.magnetism from the earth's magnetic field C、C.magnetism within the vessel D、D.lack of oil in the compass bearings
A、needles are nearly in line with the meridian B、vessel is near the magnetic poles C、variation is near zero D、vessel is near the magnetic equator
A、Flinders bar first，then the heeling magnet and spheres B、Heeling magnet first，then the Flinders bar and spheres C、Flinders bar first，then the spheres and heeling magnet D、Spheres first，then the Flinders bar and heeling magnet
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