Audio signals can be transmitted along cables without distortion.声音信号可以通过电缆传送而不失真。About 60,000 subscribers have special adapters to receive and decode the signals.大约6万用户拥有特殊的适配器来接收和转换信号。The analogue signals from the vide...
Varying the style confuses everyone and signals poor attention to detail.混淆形式会迷惑所有人,而且标志着不注重细节.In our village, there is an antenna on every roof for receiving TV signals.在我们村里, 每家房顶上都有天线接收电视信号.Signals are made with flags...