航海英語(yǔ)航海儀器使用說(shuō)明書(shū)單項(xiàng)選擇題每日一練(2019.01.13)

來(lái)源：考試資料網(wǎng)

1 （）20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions are possible.

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2 You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced?（）.

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3 If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE?（）.

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4 My gyro-compass（）is two degrees east.

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5 What will NOT induce errors into a doppler sonar log?（）

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