單項(xiàng)選擇題

A radar range to a small，charted object such as a light will provide a line of position in which form?（）.

A.Straight line
B.Arc
C.Parabola
D.Hyperbola

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單項(xiàng)選擇題
A radar display which is oriented，so that north is always at the top of the screen，is called a(n)（）.
A.relative display
B.composite display
C.stabilized display
D.unstabilized display
單項(xiàng)選擇題
A radar display in which North is always at the top of the screen is a(n)（）.
A.unstabilized display
B.stabilized display
C.composition display
D.relative display

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