kilohertz

1. N-COUNT A kilohertz is a unit of measurement of radio waves. One kilohertz is a thousand hertz. 千赫

Their instruments detected very faint radio waves at a frequency of 3 kilohertz. 他們的儀器探測(cè)到了頻率為3千赫的非常微弱的無(wú)線電波。