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(A)meant
(B)meaning
(C) to mean
(D) being meant 

答案：登入後查看
統計： A(11), B(162), C(9), D(3), E(0) #1811448

詳解 (共 1 筆)

#3946084

The AIS signals have a horizontal range of about 40 nautical miles, 54 that AIS traffic information is only available around coastal zones or in a ship-to-ship zone.

AIS信號的水平範圍約為40海裡，這意味著AIS交通信息僅在沿海地區或船對船地區可用。

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