This gives you a little bit of an idea of just how many individual photons there are in a laser beam of light.
这让你对一束激光中有多少个光子有了一点概念。
This gives you a little bit of an idea of just how many individual photons there are in a laser beam of light.
这让你对一束激光中有多少个光子有了一点概念。
Since I had promised to focus on the economy like a laser beam, I began with that.
由于我曾许诺要像关注激光束一样关注经济，我就那样开始了。
The car mistakenly thought that the laser beam was in its way and slowed down or changed the direction.
汽车误以为激光束挡住了它的路，于是减速或改变了方向。
During tests over several days, the pointer or tracker tracked an IR source and directed a laser beam at that source.
在几天的测试中，指示器或跟踪器跟踪一个红外光源，并引导激光束击中目标。
A second possibility, for more power-hungry devices, is to fire a finely focused infrared laser beam at a photovoltaic cell, which converts the beam back to electrical energy.
第二种可能性则能应用在更加耗电的设备上。其原理是发射一道精确聚焦的红外激光线，击中光伏电池，由此能够将光束转换回电能。
However, many of us find great joy in our loved ones, and we can focus like a laser beam on our special interests for hours on end.
但是，我们中的很多人都非常享受和自己所爱的人在一起。如果对某件事有特别的兴趣，我们的精力会集中得像一束激光，干几个小时都不厌倦。
Take laser transmission, for example. "High powers concentrated in a narrow laser beam could cause serious damage to a person, " says Karalis.
拿激光传输来说，卡拉里斯就称：“大量能量聚集成一束狭窄的激光束，可能会给人造成严重伤害。”
By splitting a laser beam and aiming each part onto opposite sides of a polished silicon wafer, the group engineered a system of reflection and interference that traps both beams in the silicon.
这组人员设计了一个反射和干涉系统，将激光分成两束，分别对准抛光硅晶片的两面，将两束光限制在硅当中。
Originally, Keeling measured the speed of light in the air samples with a laser beam.
起初，吉林用激光束测量光在这些空气样本中的传播速度。
LaserMotive USES special cells made with arsenic and gallium, elements better able to capture the near-infra-red wavelengths of its laser beam.
而激光动机公司制造的光伏板是用砷和镓制作的，这种光伏板能更好地从激光光束中近红外分层波长中的能量。
A team of physicists in the us has created an infrared laser beam at a point in mid air, by focusing a UV laser onto a tiny volume of oxygen molecules.
美国的一个物理学家团队通过将一束紫外激光聚焦于一小块氧分子中，发明了一种聚焦于半空中一点的红外激光束。
My initial ideas focused on laser beam-type duels between friends in front of the camera.
我最初的想法是让朋友们在摄像机前面进行星球大战那样的激光剑格斗。
The players' mutant genes 'linked up' with those already on the biochip and this allowed the scientists to read the footballers' genetic profile under a laser beam and assess the risk of injury.
球员的突变基因会与生物芯片本身的突变基因连接起来，使得科学家们能在激光束下读出球员的基因绘图，并估计出其受伤的危险系数。
Pointing and focusing a laser beam on a target that is rocketing skyward at thousands of miles per hour is no easy task, but the Airborne laser is uniquely able to do the job.
对于飞行速度每小时数千英里的目标进行激光束瞄准和聚焦并不容易，但机载激光器是唯一能够完成这项工作。
It works by shining a hollow laser beam around small glass particles, as Inside Science explains.
它使用中空的激光波束移动微小的玻璃粒子。
This would allow it to adjust the intensity of the laser beam to account for the target's distance and atmospheric conditions, Mr Hore said.
一旦这种武器顺利上市，它会与英国现有的瞄准系统相结合，从而可以根据目标的距离和气象条件来调节激光束的强度。
A laser beam like the one pictured up top combines short and long pulses of light to identify individual molecules with a high degree of precision from a safe distance.
一道激光射线由或短或长的光脉冲组合而成，从而能在一个安全的距离高精度地辨别单个的分子。
With each pulse of the laser beam, a tiny amount of corneal tissue is removed.
每一次激光束的脉冲移除微量的组织。
It is intended to focus in like a laser beam on a specific task: creating highly interactive Web applications.
它就像激光束一样集中到一项具体的任务：创建具有高度交互性的Web应用程序。
So what we end up with for the number of photons in this laser beam of light is 2.1 times 10 to the 17 photons.
这个激光束的数目是,2，1乘以10的17次方。
The sharp laser beam further zeros in on a small portion of the brain.
一旦感染，强烈的激光就会通过通道进一步瞄准脑的那一小部分。
During that test, an onboard calorimeter captured the laser beam before it left the aircraft.
在这次测试中，机载的计量器在激光波束离开飞机时捕捉到了它。
Raman devices work by shooting a laser beam at an object.
拉曼扫描仪靠向鉴定对象发射出的激光束工作。
No, because nothing is actually crossing the surface of the moon - the dot isn't an actual object, it is just a series of photons in the laser beam hitting the surface.
其实不是这样，这是因为此时并没有什么实际的东西真正地横跨了月球的表面-亮点不是一个实体，它仅仅是击中月球表面激光束里一系列的光子。
There is tremendous power in giving laser-beam-focused attention to just one idea, one project, or one objective at a time.
在一个时间，给一个念头，一项工程，或者一个目的给予激光束聚焦般的关注力量是很强大的。
Rather than controlling the weather, the laser beam is actually used to calibrate the ESO's powerful telescopes.
不是要去控制天气，激光束实际上是用来校准欧洲南方天文台强大的望远镜。
But because the laser beam is comprised of a single wavelength of light, the conversion to electricity is much more efficient than converting multiple wavelengths of sunlight to energy.
但由于镭射光束是有一单一波长的光组成，它的转化就要比拥有多种光波的太阳能转化成能量效率更高。
Over those distances, even a sharp laser beam would spread to thousands of kilometres wide by the time it reached Earth.
在这种距离下，即便是聚焦良好的光束到达地球时也会分散到上千公里宽的面积上。
Over those distances, even a sharp laser beam would spread to thousands of kilometres wide by the time it reached Earth.
在这种距离下，即便是聚焦良好的光束到达地球时也会分散到上千公里宽的面积上。
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