The audio is 48 khz or 32 khz.
音频是48千赫或32千赫。

The filter would block all signals of frequencies above 10 kHz.
这种滤波器将过滤掉频率在10kHz以上的所有信号。

A twisted pair has a bandwidth of up to250 kHz for analog signals.
双扭线对于模拟信号可有高达250赫兹的带宽。

Some Horseshoe bats can detect differences as slight as 0. 0001 KHz.
一些马蹄铁形蝙蝠能探测到细微至0。0001千赫的差别。

Working frequency is from 50 Hz to 5 kHz. Measuring function and range change arecontrolled by logic circuit.
工作频率为50赫至5千赫。