A .1~0.1m(1~10-1m)
B .10~1m(1-1~10-2m)
C .10~0.1mm(10-2~10-3m)
D .1~0.1mm(10-3~10-4m)
[单选题]移动通信使用的厘米波的波长范围是()。A.1~0.1m(1~10-1m)B.10~1m(1-1~10-2m)C.10~0.1mm(10-2~10-3m)D.1~0.1mm(10-3~10-4m)
[单选题]移动通信使用的厘米波的波长范围是(B)。A.1~0.1m(1~10-1m)B.10~1m(1-1~10-2m)C.10~0.1mm(10-2~10-3m)D.1~0.1mm(10-3~10-4m)
[单选题]移动通信使用的短波的波长范围是()。A .10~1km(104~103m)B .1000~100m(103~102m)C .100~10m(102~10m)D .10~1m
[单选题]移动通信使用的短波的波长范围是( )。A.10~1km(104~103m)B.1000~100m(103~102m)C.100~10m(102~10m)D.10~1m
[单选题]移动通信使用的甚长波的波长范围是()。A .100~10Mm(108~107m)B .10~1Mm(107~106m)C .1000~1000kMm(106~105m)D .100~10kMm(105~104m)
[单选题]移动通信使用的甚长波的波长范围是( )。A.100~10Mm(108~107m)B.10~1Mm(107~106m)C.1000~1000kMm(106~105m)D.100~10kMm(105~104m)
[单选题]移动通信使用的超短波的波长范围是()。A.10~lkm(104~103m)B.1000~100m(103~102m)C.100~10m(102~10m
[单选题]厘米波的频率范围为()。A .3~30kHzB .30~300kHzC .3GHz~30GHzD .30GHz~300GHz
[单选题]微波频率范围属于厘米波的是()。A . 3~30GHZB . 300~3000MHZC . 30~300GHZ