航海英語磁羅經(jīng)與陀螺羅經(jīng)的使用單項(xiàng)選擇題每日一練(2019.01.16)

來源：考試資料網(wǎng)

1 What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude（）.

2 Magnetic compass deviation（）.

3 Variation is a compass error that you（）.

4 Which statement about the gyrocompass is FALSE（）.

5 The Flinders bar on a magnetic compass compensates for the（）.