high-frequency telephone channel的意思|示意
高频电话通道
high-frequency telephone channel的网络常见释义
高频电话通道 高频电话通道 high-frequency telephone channel 高频电火花加工 high-frequency electric spark machining ..
high-frequency telephone channel相关短语
1、 high frequency telephone channel 高频电话通道
2、 very high frequency radio-telephone channel 甚高频无线电话波道
high-frequency telephone channel相关例句
High-frequency band-pass filters(several hundred MHz) are used for Channel selection in telephone central offices.
高频带通滤波器（几百 MHz）用于电 话中心局的信道选择。