Whichmagneticcompasscorrector(s)CANNOTbesetonaheadingofmagneticeastormagneticwest().
A. Heelingmagnet
B. Flindersbar
C. Fore-and-aftmagnets
D. Alloftheabovecanbesetonmagneticeastormagneticwestheadings
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清眩丸属于()
A. 清火类用药
B. 头痛类用药
C. 不寐类用药
D. 调肝类用药
WhichstatementabouttheFlindersbarofthemagneticcompassisCORRECT().
A. ItcompensatesfortheerrorcausedbytheverticalcomponentoftheEarth'smagneticfield
B. Itcompensatesforerrorcausedbytheheelingofavessel
C. Itcompensatesforquadrantaldeviation
D. Itisonlyneededinequatorialwaters
太原工业大学在合并成为太原理工大学之前,拥有的太原工学院是()。
A. 理学院
B. 材料工程学院
C. 成人教育学院
D. 文学院
WhichstatementaboutthegyrocompassisFALSE().
A. Itsaccuracyremainsthesameatalllatitudes
B. Itseeksthetruemeridian
C. ItcanbeusedneartheEarth'smagneticpoles
D. Ifanerrorexists,itisthesameonallheadings