正是由于这种集声，即使是海洋中相对微弱的声音，尤其是低频声音，也能传播数千英里。
This focusing is the main reason that even relatively weak sounds in the ocean, especially low-frequency ones, can often travel thousands of miles.
研究人员指出，低频过程诸如河流流量和地下水水位的波动，通常不会对人类产生明显影响。
The researchers pointed out that low-frequency processes, such as fluctuations in stream flow and groundwater levels, would not usually be apparent to human populations.
这需要的是一种利用低频无线电波的系统。
What is needed is a system that USES low-frequency radio waves.
这一系统旨在感应雷击产生的低频射电脉冲。
It is designed to detect the low-frequency radio pulses emitted by lightning strikes.
但是对于一些有低频振动的材料，如声学振动。
But for materials where you have vibrations, acoustic vibrations, those are low frequency.
而另一方面，低频率则会导致错过更新的数据。
Low pulling frequency, on the other hand, may lead to missed updates.
调低频率，吉姆，再慢点。
在低频范围内，传导干扰是电磁干扰的主要形式。
In the range of low frequency, Conducted interference is primary pass.
该无线电系统还可扩展频率范围，提供低频段甚高频。
The radio also has an extended range that provides access to low-band VHF.
以鸟儿为例，据说它们能够听到来自千里之外的山谷里的低频回声。
Birds, for example, are said to be able to hear low frequency sounds bouncing off mountains hundreds of kilometres away.
这项研究成果可以将人体移动，心跳，血流等低频振动转化为电能。
The researchers have devised a method that allows the generation of energy by converting low-frequency vibrations from body movement, heartbeat, blood flow, and the wind into electricity.
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."
并且以你工作所允许的最低频率检查邮件，希望是每天一或两次。
And check it as infrequently as your job permits, hopefully once or twice a day.
与低频数据不同，高频数据通常具有“日历效应”和波动长记忆性。
Unlike low frequency data, high frequency data has the calendar effects and long memory volatility.
为促进组织修复的重要频率在生物的重要极低频所有(低频)的范围。
The important frequencies for stimulating tissue repair are all in the biologically important extremely low frequency (ELF) range.
这个团队已经研究出，通过低频脉冲磁场来暂时抑制左前颞叶也能抑制虚假记忆。
The team has already shown that low-frequency magnetic pulses can inhibit false memories, also by temporarily inhibiting the left ATL.
包括从地震震中传出来的经过加强的红外辐射，以及不正常的低频电磁现场数据。
These include enhanced emission of infrared (IR) radiation from the earthquake epicentre, as well as anomalies in low-frequency electric and magnetic
在地表，这种类似于低频声波的振动非常小，只相当于造成它们的垂直振动的幅度。
At ground level, such vibrations-akin to low-frequency sound waves-are very small, only about the size of the vertical motions that produce them.
这表示一旦调控器发现处理器的利用率低于20%，它将逐步降低频率以节约电能。
This means that once the governor finds the processors to be less than 20 percent utilized, it will start stepping down the frequency to save power.
这个阶段的脑电图以高幅低频的三角形delta波为主，所以被称为Delta睡眠。
It is called delta sleep because of the presence of high amplitude, low frequency delta waves that are seen to occur in the EEG.
这种频率属于极低频的频率范围内，通常极低频的频带范围也在300hz以下。
This falls in the extremely low frequency (ELF) range which includes frequencies up to 300 Hz.
普朗克探测到的光波-低频范围从30 - 857千赫-是我们肉眼无法观察到的。
Planck detects light that we can't see with our eyes — light with low frequencies ranging from 30 to 857 gigahertz.
这是个很客观的观点，而我想着，还得多久人们才能给自行车装一个低频的铃声来防止刹车事故。
It's a fair point, and I wonder how long it will be before someone installs a low-frequency hum to the bikes to prevent pedestrians from being mowed down.
最新的研究成果显示，高频率的力会沿着人体骨骼向上，而低频率的力会沿着肌肉和软组织向上。
Earlier research has shown that high-frequency forces tend to move up the body through a person's bones. Lower-frequency forces typically move through muscles and soft tissue.
因此地方无线电台使用频率相对较高调频无线通讯，而低频短波无线电则可以遍及全球。
Thus FM radio at relatively high frequencies is used for local stations but does not travel far, whereas short-wave radio, at low frequencies, can stretch around the world.
巨大冲程的低音喇叭通常有很差的低频延伸，需要有源EQ均衡电路来获得合理的低频响应。
Related to the issue above, large excursion woofers often have poor bass extension and require active EQ to get a reasonable bass response.
这些管线的直径只有人头发的5000分之一到25分之一，并且能从风和水流之类低频振动中获取能量。
The wires measure 1/5, 000th to 1/25th the diameter of a human hair and are capable of harvesting energy from low-frequency vibrations such as the wind or the flow of currents.
“无瑕号”由平民操作，装备有主动探测的低频声纳，具备一系列的模块，每一模块配有两个大马力的传感器。
Crewed by civilians, Impeccable is equipped with an active low-frequency towed array with a series of modules, each housing two high-powered transducers.
“无瑕号”由平民操作，装备有主动探测的低频声纳，具备一系列的模块，每一模块配有两个大马力的传感器。
Crewed by civilians, Impeccable is equipped with an active low-frequency towed array with a series of modules, each housing two high-powered transducers.
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