It may he found that, nicertain circumstances, radar beacon emissions can cause_______ with the normal radar display, particularly at close range.
A.unwanted interference
B.unexpected figures
C.abnormal data
D.unwanted information
正确答案是A
It may he found that, nicertain circumstances, radar beacon emissions can cause_______ with the normal radar display, particularly at close range.
A.unwanted interference
B.unexpected figures
C.abnormal data
D.unwanted information
正确答案是A