航海英語GPS、DF及LC的使用單項選擇題每日一練(2019.01.26)

來源：考試資料網(wǎng)

1 A compass card without north-seeking capability that is used for relative bearings is a(n)（）.

2 Error may be introduced into a magnetic compass by（）.

3 At the master gyrocompass，the compass card is attached to the（）.

4 It may be found that，in certain circumstances，Radar Beacon can cause unwanted interference particularly（）.

5 Most GPS receivers use the doppler shift of the carrier phase to compute（）.