单项选择题
A.beam B.radar C.light beacon D.reflector
A radar range to a small，charted object such as a light...
单项选择题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
A radar display which is oriented，so that north is alwa...
单项选择题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
A radar display in which North is always at the top of ...
单项选择题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
