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航海英語航海儀器使用說明書單項(xiàng)選擇題每日一練(2019.01.12)

來源：考試資料網(wǎng)

1 An electronic depth finder operates on the principle that（）.

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2 A FICTIVE LINE DISPLAYED ON THE RADAR SCREEN SEPARATING THE FAIRWAY FOR INBOUND AND OUTBOUND VESSELS SO THAT THEY CAN SAFELY PASS EACH OTHER defines（）.

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

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4 Compass error is equal to the（）.

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5 Which of the following radar contacts will present the most immediate danger?（）.

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