40. ______ are the correctors for the magnetic compass that can be
used to remedy the the deviation caused by the induced B coefficient.
(A) Vertical permanent heeling magnets
(B) Athwartship C permanent magnets
(C) Soft-iron quadrantal spheres
(D) Vertical soft-iron Flinders bar
詳解 (共 2 筆)
未解鎖
______是磁羅盤的校正器，可用於補救...
未解鎖
【垂直軟鐵弗林德斯條是】磁羅經的校正器，...
阿摩線上測驗
登入
