在电子学中，表示信号通过放大器、增音器或天线后幅度增加的程度。
In electronics, the degree to which the amplitude of a signal is increased when it passes through an amplifier, repeater or antenna.
在电子学中，表示信号通过放大器、增音器或天线后幅度增加的程度。
In electronics, the degree to which the amplitude of a signal is increased when it passes through an amplifier, repeater or antenna.
应用推荐