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单项选择题

A.
B.
C.
D.

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单项选择题

You have another ship overtaking you close aboard to starboarD.You have 3 radar targets bearing 090° relative at ranges of 0.5 mile，1 mile，and 1.5 miles．In this case，the unwanted echoes are called ______．A.Multiple echoesB.SpokingC.Indirect echoesD.Side-lobe echoes

A.You
B.5
C.5
D.In
E.
A.Multiple
F.Spoking
C.Indirect
G.Side-lobe

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