青云翻译

Retain a specific frequency range of useful signals, and inhibit other frequency interference signals or unwanted signals in the output

Useful signal to remain in the output to a specific frequency range, suppression of interference or unwanted signals other frequencies

Retains the spot frequency scope in the output the useful signal, suppresses other frequencies the unwanted signal or the unwanted signal

In the output of the reserve a specific frequency range, and to deter other useful signal frequency or unwanted signal

Useful signal to remain in the output to a specific frequency range, suppression of interference or unwanted signals other frequencies