Frequency is measured in hertz, or cycles per second.频率用赫兹即每秒钟的周数来计算.Rate of signal oscillation in hertz.信号振荡的速率,以赫兹(Hz) 为单位.There are Hertz, avis , Budget, National and several other small companies.有Hertz, avis, Budget...

n.赫，赫兹（频率单位），周秒...

Hertz的音标：Hertz的英式发音音标为：[hɜ:ts]Hertz的美式发音音标为：[hɜrts]...