一束光通过棱镜就会形成光谱。
A spectrum is formed by a ray of light passing through a prism.
光通过棱镜时产生折射。
光通常沿直线传播。
这种光通过棱镜，而棱镜把它分割成了一道光谱。
This light is passed through a prism, which breaks it up into a spectrum.
你们都知道，拿起一个水晶棱镜，让一束阳光通过它，就会得到一个光谱，看起来就像一条连续的彩虹色带。
You all know how when you take a crystal prism and pass a beam of sunlight through it, you get a spectrum, which looks like a continuous band of rainbow colors.
要真正体验这种装饰玻璃的美，你应该在有光通过它的时候看它，特别是在阳光通过的时候，这就是为什么彩色玻璃通常用于窗户上。
To truly experience the beauty of this decorative glass you should see it with light passing through it, especially sunlight, which is why stained glass is usually used for windows.
研究了光通量和昼夜温差对自养培养马铃薯试管苗生长的影响。
The effect of PPF and DIF on plantlet growth of potato in vitro under photoautotrophic condition was investigated.
据记载，佛光通常出现在太阳斜照的时候。
According to record, the Buddhist Light usually appears when the sun is shining slantly.
这个波长上的光通常被完全吸收。
Light at that exact wavelength would normally be totally absorbed.
灯光通明的电视塔整晚似灯塔般照耀着。
阳光通过窗户泻入屋内。
把窗帘都关上，避免让光通过窗户直射进房间。
Keep direct sunlight from pouring through the Windows by pulling the shades down or closing the drapes.
光通讯技术与光信息处理技术具有广阔的应用前景。
The technology of communication and information processing will be widely applied in prospect.
因此，成百上千的企业、医院和大学正在使用无线光通信。
As a result, hundreds of businesses, hospitals and universities are already using FSO.
[劳拉·范肯等，《夜间灯光通过改变进食时间增加体重》]
[Laura Fonken et al, Light at night increases body mass by shifting the time of food intake]
当然，如果在室内使用无线光通信，就没有必要担心恶劣天气。
There is no need to worry about bad weather when using FSO indoors, of course.
这个研究组已经研制出一种激光通过光纤到达火花塞的点火系统。
The team has already created an ignition system in which a laser travels through fiber-optic cables to optical spark plugs.
正常的彩虹是由于光通过雨水，雾气，有时甚至海浪的折射所形成。
Normal rainbows form when light refracts through raindrops, mist, or sometimes even sea spray.
与符合这些基本标准的人度过一段时光通常会发生很多有趣的事情。
Spending time with people who meet these basic criteria often makes interesting things happen.
幻日是阳光通过云层中微小冰晶的折射而造成的另一种大气光学现象。
A sundog is another atmospheric optical phenomenon caused by the refraction of sunlight by tiny ice crystals in clouds.
Angstrom的两名研究员正在研究采用更实用材料的光通信方案。
Two of the Angstrom researchers are investigating optical-communications schemes that use more practical materials.
无线光通信的支持者喜欢说这一技术拥有光纤连接的速度和无线连接的方便性。
Advocates of FSO like to say it has the speed of a fibre-optic link, and the convenience of a wireless link.
虽然极光通常只出现在高纬度地区，但是在磁暴发生时，极光也能点亮稍低纬度地区的天空。
And while aurorae are normally visible only at high latitudes, they can light up the sky even at lower latitudes during a geomagnetic storm.
相反，这两类技术最终可能是共同存在：无线连接用于上传，无线光通信用于更高速的下载。
Instead, the two technologies may end up being used together: Wi-Fi as the uplink, and FSO for the much faster downlink.
只要无线光通信是在相对较短的距离上设置的——如几百米——他说，这是一种很可靠的技术。
Provided FSO is set up over relatively short distances-say several hundred metres-it is a reliable technology, he says.
月虹与白天出现的彩虹一样，是光通过水滴分解成多种色光后产生的，而光本身是由多种色光组成的。
Like a rainbow, its daylight equivalent, a moonbow is produced when light is broken up into its constituent colours as it passes through water droplets.
存储服务器通过高速 myrinet或者光通道连接到主节点和备份节点，如图2 所示。
The storage server is connected to the master and backup nodes with a high speed myrinet or fibre-channel connection, as shown in Figure 2.
太阳能电池板在200英里外空间受到的太阳光强度，是太阳光通过大气层过滤射在地面时强度的10倍。
The sunlight hitting solar panels 200 miles in space would be 10 times as powerful as the light filtering down to Earth through the atmosphere.
目前，他们认为石墨烯作为光通讯基础的话，速度可以比目前所能达到的最大传速快10倍乃至100倍。
They now believe that graphene could be the foundation for optical communications that are at least 10 and maybe even 100 times faster than the fastest data transfer rates available today.
目前，他们认为石墨烯作为光通讯基础的话，速度可以比目前所能达到的最大传速快10倍乃至100倍。
They now believe that graphene could be the foundation for optical communications that are at least 10 and maybe even 100 times faster than the fastest data transfer rates available today.
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