Their instruments detected very faint radio waves at a frequency of 3 kilohertz.
他们的仪器探测到了频率为3千赫的非常微弱的无线电波。
When their stems were cut, the plants started "screaming" between 20 and 100 kilohertz, and the scientists guess that this scream is probably meant to warn other plants nearby.
当它们的茎被切断时，这些植物开始发出20到100千赫兹的“尖叫”，科学家们猜测这种尖叫可能是为了警告附近的其他植物。
One megahertz is the same as one thousand kilohertz.
作为一个兆赫是一千千赫相同。
Their instruments detected very faint radiowaves at a frequency of 3 kilohertz.
他们的仪器检测到一个3千赫的微弱无线电波。
Quartz crystals are manufactured for frequencies from a few tens of kilohertz to hundreds of megahertz.
加工成型的石英晶体的频率可从几十千赫兹到数百兆赫兹。
Previous studies have shown that humans are unable to recognise melodies whose notes have a fundamental tone above 5 kilohertz.
之前的研究表明，人类无法辨认基音在5千赫兹以上的音符。
Up until recently, this was accomplished by accelerating the clock speed, which has leaped from kilohertz to gigahertz in my lifetime.
直至最近，这种状况都是靠提高时钟频率达到的，在我有生之年，我已看到处理器主频从几千赫兹上升至几吉赫兹。
You may be hearing our broadcast on what is called short wave. These are frequencies between three thousand and thirty thousand kilohertz. They are often called megahertz.
或许你正在所谓的短波收听我们的广播，这就是三千千赫兹到三万千赫兹之间的频率(3兆赫兹—30兆赫兹)。
Its bandwidth of 428 kilohertz means a single segment can carry a bare-bones video picture, compact disc-quality audio, and text for news flashes, weather details and emergency announcements.
特高频带的带宽为428千赫，这意味着单个部分能够承载一个简单视频图片，光盘效果的视频以及新闻快报、天气预报和紧急通知。
While performing the seismic modelling experiment, it needs to have tens to hundreds of kilohertz and well-distributed orientation-dependent narrow pulse acoustic wave as simulation source.
在地震模型实验中，需要获得几十至几百千赫的、方向性较均匀的窄脉冲声波作为模拟震源。
The bats can also "sweep through a frequency range of up to 170 kilohertz, " moving from lower to higher notes, "while a human singer produces a glissando through less than 2 kilohertz at most."
蝙蝠音频频率范围也可以高达170千赫，是=由从低频逐渐到高频。
The bats can also "sweep through a frequency range of up to 170 kilohertz, " moving from lower to higher notes, "while a human singer produces a glissando through less than 2 kilohertz at most."
蝙蝠音频频率范围也可以高达170千赫，是=由从低频逐渐到高频。
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