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航海英語(yǔ)地文航海單項(xiàng)選擇題每日一練(2019.01.15)

來(lái)源：考試資料網(wǎng)

1 What is the major advantage of high altitude observations?（）

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2 Which of the following are data layer categories to be displayed on ECDIS（）．

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3 Which position includes the effects of wind and current（）.

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4 What describes a flood current（）.

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5 When approaching a preferred-channel buoy，the best channel is NOT indicated by the（）.

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