VHF communication frequency is _______.
A.100 MHZ～350 MHZ
B.10 MHZ～136.97 MHZ
C.30 MHZ～300 MHZ
D.2 MHZ～29.9999 MHZ
正确答案是C
VHF communication frequency is _______.
A.100 MHZ～350 MHZ
B.10 MHZ～136.97 MHZ
C.30 MHZ～300 MHZ
D.2 MHZ～29.9999 MHZ
正确答案是C