a beam of

a beam of怎么读

a beam of相关例句

1. The machine directs a powerful beam at the affected part of the body.

这种机器将很强的射线对准身体感染部位。

《牛津词典》

2. A burst of sunshine sent a beam of amber light through the window.

一道阳光透过窗户射进了一束琥珀色的光。

3. 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。

4. Len studied it a moment in the beam of his torch.

莱恩借着手电筒的光把它仔细察看了一会儿。

5. 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。

6. 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。

7. We have a beam of electrons.

我们有一个电子束。

8. 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。

9. 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。

10. 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。

11. 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.

激光有强烈的光束，可以在钻石上钻洞，而且可以被很好地控制，用于精密的眼部手术。

12. 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。

13. 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。

14. 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。

15. 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。

16. This photomicrograph was obtained by scanning a beam of electrons across the sample while a detector kept track of electrons bouncing off its surface, betraying the specimen\'s outer shape.

这幅显微照片是通过扫描穿过样品的电子束而获得的，同时检测器对从样品表面反弹的电子进行追踪，这些电子显示了标本的外形。

17. But when they are zapped with a beam of electrons from a particle accelerator, the polymer chains are desaturated.

但是，当它们经过粒子加速器发射的电子束扫描后，聚合分子链被去饱和。

18. They exposed the creatures to a beam of directed blue light, as might come from certain bioluminescent predators, as well as to other stimuli such as passing shadows.

他们揭露了生物的蓝色光束，可能来源于某个会发光的食肉动物也可能是受到其他的刺激，如通过的阴影。

19. Can we skirt Einstein\'s theory of special relativity and travel faster than a beam of light?

我们能否绕过爱因斯坦狭义相对论的理论使得移动速度超越光速？

20. A beam of rose-colored light from a pane in the chancel window fell across his face, but he did not seem to see it.

一道玫瑰色的光线穿过教堂的有色玻璃，照到他脸上，他好像仍旧不敢相信已经看见了这道亮光。

21. To see whether the next magic number is nearby in the periodic table, the experimenters will now try to produce element 120 by bombarding a plutonium target with a beam of iron ions.

无论下一个数字是否就在元素周期表的附近，实验人员都将会尝试通过用一束铁离子轰击钚来制造120号元素。

22. Scientists at the Cern lab in Geneva fired a beam of these particles through 450 miles of rock towards detectors in the Gran Sasso lab in Italy.

位于日内瓦的欧洲粒子物理研究所的科学家们向450公里外意大利格兰萨索地下实验室的探测器发射了一束中微子。

23. The neutrinos that emerge at Gran Sasso start off as a beam of proton particles at Cern.

格朗萨索实验室测到的中微子来自欧洲核子研究中心的质子粒子束。

24. Only relatively pristine material has the goods Landman is after, so his team USES a scanning electron microscope (below), which utilizes a beam of electrons to image surfaces, to find the best nacre.

只有相对原始状态的材料才拥有兰德曼所需要的研究对象，因此他的研究小组必须使用利用电子束表面成像的扫描电子显微镜(下图)去寻找较好的珍珠层。

25. A beam of light that can pull is counterintuitive to physicists, who have spent centuries studying light\'s ability to push.

由于已经花了几个世纪研究光的推动能力，物理学家们的直觉意识到会有一种光束能够拉动物体。

26. Following 133 hours of firing a beam of intense laser light which created nitric acid particles in the air it resulted in binding the water molecules together to create droplets.

在连续133小小时向空中发射密集激光束从而在空中制造出硝酸粒子后，空气中的水分子凝聚在一起形成了小水滴。

27. It could be possible to make superconductor-based circuits simply by using a beam of X-rays to control the positions of dopant atoms within a suitable material.

在合适的材料中，使用X射线来控制掺杂剂原子的状态，用这种方法将使制作超导电路成为可能。

28. In his book Autobiographical Notes, Einstein recalls how he once daydreamed about chasing a beam of light as it traveled through space.

在他的著作《自述注记》中，爱因斯坦回忆道他当时幻想在宇宙中追逐一道光线。

29. Though invisible in normal light once it has hardened, this adhesive glows yellow when illuminated by a beam of ultraviolet of the sort often used in discotheques.

虽然粘着剂在普通光照下看不见，但一旦变硬便可以在紫外线光束的照射下变成黄色。

30. One of the best is a beam of protons.

较佳射线之一是质子射线。

31.He greeted me with a beam of joy.

他笑容满面地迎接我。

34.a device for projecting a beam of light.

用来投射光束的装置。

36.project a beam of light onto a statue

把一道光线投射在雕像上

38.a beam of light generated by a laser.

由激光器发出的一束光。