航海英語航海儀器使用說明書單項選擇題每日一練(2019.01.08)

來源：考試資料網(wǎng)

1 My gyro-compass error is（）.

2 （）20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions are possible.

3 A deadhead is a(n)（）.

4 （）the canal transit，the radar was operating.

5 An ECDIS is required to display which information?（）