問題詳情

37.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：非常簡單1
統計：A(0),B(0),C(0),D(10),E(0)