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单选题
若海区有风流时输入对地速度,则雷达显示的目标真矢量()。
A
长度为对水真速度,方向为船首向
B
长度为对地真速度,方向为航迹向
C
长度为对水真速度,方向为航迹向
D
长度为对地真速度,方向为船首向
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