問題詳情

【題組】39. Which of the following navigational devices can be used to resolve longitudinal problems during navigation?
(A)Backstaff
(B)Sextant
(C) Chronometer
(D)Stars

參考答案

答案：A
難度：非常困難0.181818
統計：A(2),B(2),C(1),D(2),E(0)