The electron microscope uses a beam of electrons to produce images at high magnifications.
电子显微镜利用一束电子产生高倍放大的影像。
我们有一个电子束。
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。
Father and son looked up to the ceiling, and there on a beam sat the Talking Cricket.
父子俩抬头望着天花板，一只会说话的蟋蟀正坐在一根横梁上。
This technique makes use of a small flexible mirror placed in the beam of a telescope.
这项技术利用了放置在望远镜光束上的一个小的可弯曲的镜子。
When Brigida went out, she found the old man busy with putting a new beam along the wall.
当布丽吉特出去时，她发现老人正忙着沿墙安装一根新梁。
As a method of spanning space, the arch can support greater weight than a horizontal beam.
作为一种跨越空间的方法，拱能够承受比水平梁更大的重量。
So we've got a spectrum of a beam of sunlight and it looks like the colors bleed into each other.
我们得到了一束太阳光的光谱，它看起来像是颜色在互相渗透。
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。
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。
As I was running toward his crib, I saw a beam coming down and I placed myself over him trying to protect him.
就在我跑向他的婴儿床时，我看到一根房梁就要倒下来，我扑到他身上想护住他。
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。
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 major invention was the adjustable strut that could precisely set the depth of the plow by altering the distance of the blade and the beam.
一个重大的发明是可调节的支柱，通过改变刀板与横梁的距离来精确地设置犁的深度。
Inside the control room, physicists and engineers cautiously shot the beam down part of the tunnel, stopping it before it went all the way around.
在控制室内，物理学家和工程师们小心翼翼地在隧道的一部分将光束击落，在其完成全程之前把它拦截下来。
TEMs work by firing a beam of electrons through the material and measuring how it absorbs and deflects the particles to build up an image of the sample.
TEMs 的工作原理是通过发射一束电子穿过某种物质，并测量它如何吸收和偏转粒子来建立样本的图像。
The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.
凭着本身强烈的光束，激光可在钻石上钻一个洞，而且可以被很好地控制，因此能用于精密的眼部手术。
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.
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。
She froze when the beam of the flashlight struck her.
当手电筒的光柱照到她时，她呆住了。
Even with the lights on full beam I couldn't see very far.
即使把灯打到了最强光我还是看不了多远。
The lighthouse beam was quite distinct in the gathering dusk.
灯塔的光柱在渐暗的黄昏中相当清楚。
A flashlight beam probed the underbrush only yards away from their hiding place.
一束手电光搜索了离他们藏身之处仅几码远的低矮灌丛。
Then a rail-thin teenager, in a baggy white T-shirt, skidded up to the beam.
然后一个骨瘦如柴的少年滑上了横杆，他穿着一件宽松的白色 T 恤。
Weaving among the kids who rushed by on their boards, I found my way to the beam.
我在那些踩着滑板匆匆滑过的孩子们中间穿行，找到了通往那个横杆的路。
They reflect a concentrated beam of light onto the town's central square, creating an area of sunlight roughly 600 square meters.
它们将一束集中的光线反射到城镇的中心广场上，形成面积大约为600平方米的阳光区域。
The idea was that a person acting as a 'sender' would attempt to beam the image over to the 'receiver' relaxing in the sealed room.
这个想法是，一个人作为一个“发送者”将试图把图像发送给在密封房间里放松的“接收者”。
If the wheel axle pin squeaked, or the beam had sapwood in it, or the haystack leaned, everyone in the village would know who had done these.
若是车轮的轴销嘎吱作响，或是横梁里掺了边材，或是干草堆斜歪了，村里的所有人都会知道这是谁干的。
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