Anh
resonance frequency
resonant frequency
Đức
Resonanzfrequenz
Schwingfrequenz
Pháp
fréquence de résonance
Resonanzfrequenz,Schwingfrequenz /SCIENCE/
[DE] Resonanzfrequenz; Schwingfrequenz
[EN] resonance frequency; resonant frequency
[FR] fréquence de résonance