单项选择题
Radar is not only to obtain（），but also to measure their distance away from you.
A.brightness of objects
B.color of targets
C.shape of targets
D.bearing of objects
点击查看答案&解析
相关考题
-
单项选择题
Most GPS receivers use the doppler shift of the carrier phase to compute（）.
A.Latitude
B.Longitude
C.Speed
D.Time -
单项选择题
Magnets in the binnacles of magnetic compasses are used to reduce the effect of（）.
A.deviation
B.variation
C.local attraction
D.All of the above -
单项选择题
It may be found that，in certain circumstances，Radar Beacon can cause unwanted interference particularly（）.
A.at close range
B.at end on situation
C.at head on situation
D.at crossing situation
