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。
Regular repeating actions such as sound waves, light waves, or radio waves have a certain frequency, or number of waves per second.
有规律的重复活动如声波、光波、无线电波都有一个特定的频率，或者说是每秒的波动次数。
You can't hear waves of such a high frequency.
你听不到这么高频率的声波。
Basically, the phenomenon of Standing Waves occurs when sound waves of the same frequency reflect off the walls and meet from opposite directions.
基本上，当相同频率的声波从墙壁上反射并从相反方向相遇，就会出现驻波现象。
For this, he and his wife received the Nobel Prize for physics in 1910, and did so again in 1912 for their work on very high-frequency radio waves.
为此，他和他的妻子在1910年获得了诺贝尔物理学奖，并在1912年再次获得诺贝尔奖，以表彰他们在高频无线电波方面的研究。
When two waves of opposite direction but similar frequency collide, they create a special kind of pressure wave that carries energy to the ocean bottom.
当两方向相反但频率相似的波浪相撞时，会产生一种特殊类型的压力波，而这种压力波会把能量输送到海底。
The cheapest way to increase capacity is to add more spectrum or to move a network to a lower frequency, which allows radio waves to penetrate walls more easily.
提高带宽容量最便宜的方法是增加更多频谱或是某个网络降低到更低的频率以使无线电波更容易穿透墙壁。
Transmitters emit waves of a certain frequency in the direction of the target.
发射器朝目标方向发射一定频率的无线电波。
The brain is constantly emitting very specific frequency waves that influence how you feel and act.
大脑会不断蒂释放出影响你感觉以及行为的特定频率波。
Time and frequency are inversely related; that is, smaller units of time (or faster oscillations of light waves) result in larger frequency Numbers.
时间和频率是逆相关的，即：时间单位越小(或光波振荡越快)频率数量越大。
When they turned these measurements into a series of waves using a mathematical trick called a Fourier transform, the waves increased in magnitude as their frequency decreased.
当他们把测量结果通过傅立叶变换分解成一组波时，这组波随着频率减小而增幅巨大。
The other problem is that submarines receive messages using low-frequency radio waves that can penetrate water, but only a few characters per second can be transmitted at these frequencies.
另一个问题时潜艇在水下时用低频进行通信，因为低频可以穿透海水传播，但用低频通信时，通信速度只能每秒几个字符。
Scientists are mostly stumped as to how the radio frequency waves emitted by cellphones, which lack the punch to break chemical bonds or disrupt DNA, might cause cancer.
科学家们主要搞不懂的是，手机所释放的无线电波，连打断化学键或扰乱dna的冲击力都没有，又怎么可能导致癌症呢？
But some consumers offered ideas on how to limit exposure to radio frequency waves... which includes talking a bit less.
但是一些消费者提出限制接触无线电波的方法，其中包括少说话。
A new study published in the Journal of the American Medical Association has found that the radio frequency waves emitted from mobile phones demonstrably alter brain wave activity.
在美国医学学会期刊上发表的一项最新研究发现手机发射的无线电波能明显地改变脑细胞活动。
Gravity waves have a frequency of about once every 30 seconds.
重力波的频率为每30秒一次。
As these waves pound against the sea floor, they generate a constant vibration with a frequency of about ten millihertz, much too low for humans to hear but easily detectable with seismometers.
当这些压力波撞击海床时，会产生一种频率为0.01赫兹的连续振动，而对我们人类而言这个频率太低了，所以根本听不到，但却很容易被地震仪侦测到。
The crystals work by manipulating phonons, or vibrational waves that can carry either sound or heat depending on the frequency.
这些晶体通过对声子进行操控来工作；声子是一种振动波，可以携带声音或热量，具体携带什么则取决于其频率的高低【 译者注：声子是晶体点阵振动能的量子 】。
The organizations will use stream-computing technology to analyze data from sensors that track high-frequency radio waves, the Swedish Institute of Space Physics (IRF) said in a statement.
这两家研究机构组成的研究小组将使用流运算技术来分析高频电磁波传感器记录的数据。按照研究小组的说法：“明年，这项计划中每秒需要处理的数据量高达6GB，而每小时的数据量则多达21600GB,后者几乎是互联网上所有网页大小的总和。”
The catch is that because low-frequency waves can travel great distances, when they do bounce off cavities or objects underground, they often end up far from the detection equipment at the surface.
捕捉过程是这样的，因为低频波可以传输到更远的距离，当它们遇到地下的空穴或其他物体反射回来的时候，已经距地面的接收装置很远了。
Transducers are made from arrays of tiny piezoelectric structures that convert electrical signals into ultrasound waves by vibrating at an appropriate frequency.
换能器由阵列微压电结构组成，这种压电材料在合适频率下的振动能够将电信号转换成超声波。
What is needed is a system that USES low-frequency radio waves.
这需要的是一种利用低频无线电波的系统。
The clock measures the passage of time in millionths of a second by counting the frequency of electromagnetic waves.
这种钟表通过电磁波的频率来计算时间，单位为百万分之一秒。
While devices like the NIST-F1 use atomic signals of microwave frequency with billions of cycles per second, newer clocks, including Oates’, rely on light waves beating a million times faster.
诸如NIST-F1的仪器运用的原子信号是频率为数十亿赫兹的微波，新式时钟包括奥茨的都是运用频率快上百万倍的光。
The warming of the planet will be gradual, but the increasing frequency and severity of extreme weather events, like intense storms, heat waves, droughts, and floods, will be abrupt and acutely felt.
地球将逐渐变暖，剧烈风暴、热浪、干旱和水灾等极端气候事件将日益频繁和严重，令人措手不及，造成极为严重的影响。
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.
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。
IBM said in a statement that the data will be collected using antennae designed to monitor radio waves in three dimensions to sample high-frequency emissions from space.
按ibm的说法，他们将使用三维天线采集太空高频电磁波，并将采集到的信号送往计算机进行分析。
Having the antenna at the bottom means less radio frequency waves are flooding the sensors.
将天线安置在底部意味着传感器会探测到最少的电磁波。
Having the antenna at the bottom means less radio frequency waves are flooding the sensors.
将天线安置在底部意味着传感器会探测到最少的电磁波。
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