-
The transmission medium for a digital channel can be opticalcable, digital microwave link and satellite circuit, etc.
数字信道的传输媒体可以是光缆、数字微波、卫星信道等各种手段。
youdao
-
The transmission medium for a digital channel can be opticalcable, digital microwave link and satellite circuit, etc.
数字信道的传输媒体可以是光缆、数字微波、卫星信道等各种手段。
youdao