The control on analogue radar (old style) controls the brightness of the rotating trace and will also affects the brightness of the displayed echo.(1.0)
A.gain B.brilliance C.range D.tuning正确答案B
The control on analogue radar (old style) controls the brightness of the rotating trace and will also affects the brightness of the displayed echo.(1.0)
A.gain B.brilliance C.range D.tuning正确答案B