問題詳情

18.The purpose of “soft iron spheres” is use for：
(A)Automatic Identification System
(B)Radar range adjust
(C)Reefer container temperature monitor
(D) Magnetic compass error correction

參考答案

答案：D
難度：簡單0.833333
統計：A(0),B(0),C(0),D(5),E(0)