所发出的光要比所受照射的光频率低。
The light emitted is at a lower frequency than the original radiation.
这样的方法在微波领域能用来减慢光频率一百万倍，使得其变得可测量。
That way one of those in the microwave domain can be selected to deliver a countable beat, a million times slower.
光谱测定分析显示某个光频率被吸收了，就可间接测到这个分子存在于样本中。
Spectrometry analysis showed which frequencies of light were absorbed, in turn an indirect measure of which molecules were in the sample.
合适的基频光频率啁啾可以减小三倍频光脉冲的畸变，并有效地提高三倍频转换效率。
Furthermore, the suitable chirp of fundamental field can reduce the distortion of third-harmonic pulse and increase the third-harmonic conversion efficiency.
造成这种现象的原因就是因为不同颜色的光频率不同，所以通过介质的时候速度也有一点点分别。
This is caused by the fact that the different colors, representing different wavelengths, pass through the medium at slightly different speeds.
光环由不同的颜色、声音、光频率振动而成。颜色光谱随着一个人的身体、情感、精神、精神状态而发生变化。
Auras vibrate to different color, sound and light frequencies. The color spectrum varies with ones physical, emotional, mental, and spiritual states.
知道你用了多少多少频率的光,是哪些物体,然后你递给他一个苹果,他会说,哦,这是个很红的苹果吧,是这样吗
You use such and such frequencies, and which objects, and you hand him an apple and he'll say, "Oh, it must be very red," Right?
在1902年，当一名德国物理学家表明电子的能量取决于光的颜色（或者频率）时，他们震惊了。
They were startled in 1902 when a German physicist showed that the electrons’ energy depended instead on the color (or the frequency) of the light.
各峰值相互为基础来产生极短的光脉冲，每个脉冲都包含多种频率(见下图)。
The peaks build on each other to form very short, bright bursts of light, each containing many different frequencies (see graphic below).
当在内在视野中看到赫利欧托利频率时，它们呈现出混合了粉彩虹色与淡银色的色彩，相当接近于金属光的频率。
When the Heliotalic frequencies are seen with the inner vision, they appear as pastel, rainbow colors mixed with pale silver, almost like a metallic light frequency.
这个频率梳理装置由一束产生一系列非常短，空间上平均分布（就好象梳齿一样）、频率上广泛分布的光脉冲产生的。
The frequency comb is generated by a laser that produces a series of veryshort, equally spaced pulses of light (like the teeth of a comb) across a broadspectrum of frequencies.
若你只看到光的某一频率，你会感到恍惚，然后眼睛会努力适应这一体验，而在这一过程中，不同的色调就会产生。
When you see just one frequency of light, it is disturbing and the eye tries to accommodate itself to the experience and in the process, different tones appear that do not exist in the place.
当这些能级中，发生电子跃迁时，这些电子便吸收并释放出不同特定频率的光。
When electrons jump between these energy levels, they absorb and emit light of particular frequencies.
这是由于光的频率下降并朝向光谱的红末端移动。
This is a fall in the frequency of its light towards the red end of the spectrum.
只要能让它检验出，物体反射的光的频率。
It just checks and sees what kind of light frequencies are bouncing off the object.
根据多普勒效应，光被离子反射后，靠近激光器的光的频率会高于远离激光器的光的频率，（日常生活中，救护车警报器的音调随着车的远近也变化，就是这个道理）这才有可能测量先前对离子施加的力的大小。
(An everyday example of this effect is the change of pitch of an ambulance siren as it approaches and recedes.) It was thus possible to measure the force applied to the ions.
这些齿可以像尺子一样用来异常精确的测量激光器、原子、天体或其它物体发出的光的频率。
The teeth can be used like a ruler to measure the light emitted by lasers, atoms, stars, or other objects with extraordinarily high precision.
通过统计所发出X光的数量，然后对照激光脉冲的频率，测量小组能得出一个非常精确的测量值，从2s能级到2p能级跃迁所需的量子能量。
By counting the number of such X-rays while scanning the frequency of the laser pulse, the team could make a very precise measurement of the photon energy required to drive the 2s-2p transition.
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。
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.
跟上一代不同，电子护照除了包含照片及光感条码之外，还记有生物体征数据，植在无线电频率识别(RFID)芯片上。
Unlike previous ones, the e-passports contain biometric data embedded in a radio-frequency identification (RFID) chip, along with the usual mugshot and optical bar-code.
“相比之下，我们的世界时枯燥的——我们人类只能看到有限波长的光，有限频率的声音。”他说。
"Our world is dull by comparison - we humans see within a limited range of light wavelengths, and hear just a bit of sound," he says.
光学“频率梳”是一种精确测量光的颜色或频率的工具。
An optical "frequency comb" is a very precise tool for measuring different colors-or frequencies-of light.
当光运行而到达一个新的环境时，譬如到达了地球上的某个望远镜，由于地球上只有较小的引力，时间的流逝就会变慢，由此光的频率就会降低。
When that light travels to a new environment, say to a telescope on Earth, where there is comparatively lower gravity, and time moves more slowly, the light's frequency will decrease.
此实验对下一代“原子钟”的产生是重要的一步，下一代“原子钟”将是基于光频而不再是微波频率。
The experiments are a significant step toward next-generation "atomic clocks" based on optical rather than microwave frequencies.
举个例子来说，我们谈论的临界频率是，光从金属表面逐出一个电子，所需的最小频率。
So, for example, we were talking about a threshold frequency as in a minimum frequency of light that you need in order to eject an electron from a metal surface.
这相当于一个光声版本的无线电频率条形码，可以用在需通过自动收费站的车上，或者给商品打价签。
This could be used like an optoacoustic version of the radio-frequency bar codes that are used by cars passing through the pay booths of automated toll roads or to tag some goods in shops.
在那里光的指示过去的一种方法透过一颗晶片被使用高的频率声波改变。
A method where the direction of light passing through a crystal is changed using a high frequency sound wave.
颜色是光抵达我们眼睛视网膜的，各种频率的，我们的感知能力。
Color is our perception of the various frequencies of light that reach the retinas of our eyes.
颜色是光抵达我们眼睛视网膜的，各种频率的，我们的感知能力。
Color is our perception of the various frequencies of light that reach the retinas of our eyes.
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