"In automatic acquisition, ARPA should present a target's motion trend ____.
A.within 1 minute
B.within 30 seconds
C.within 15 seconds
D.within 3 minutes"
正确答案是A
"In automatic acquisition, ARPA should present a target's motion trend ____.
A.within 1 minute
B.within 30 seconds
C.within 15 seconds
D.within 3 minutes"
正确答案是A