航海英語GPS、DF及LC的使用單項選擇題每日一練(2019.03.17)

來源：考試資料網(wǎng)

1 The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with（）.

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2 The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.

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3 More exact assessment of visibility when（）is used to determine the range of vessel or other objects in the vicinity.

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4 If several fixed navigational lights are visible at the same time，each one may be positively identified by checking all of the following EXCEPT what against the Light List?（）

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5 With respect to automatic identification systems（AIS），which information is expected to be broadcast every 1 to 10 seconds（）.

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航海英語GPS、DF及LC的使用單項選擇題每日一練(2019.03.17)

航海英語GPS、DF及LC的使用單項選擇題每日一練(2019.03.17)