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。

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

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

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。

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。

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。