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。
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。
Once, when trying a certain trick on the beam, I fell onto the stones, damaging a nerve in my hand, and Toby came over, helping me up: Safe, man. Safe.
有一次，当我尝试在一个横杆上做某个技巧时，我摔在了石头上，手上的一根神经损伤了，托比走过来，扶我站起来，并说：安全，伙计，注意安全。
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。
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。
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。
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。
横梁已经翘曲了。
The beam itself will be produced by a device called a fibre laser.
激光波束本身将由光纤激光设备产生并在一个细长的光纤核心产生激光束的相干光。
Travelling through air and turbulence can disperse the energy of the beam.
穿过空气和乱流时会分散光柱的能量。
The beam is bounced of the surface, mapping out perfectly its tiny features.
电子束在其表面反弹，完美展现出它的微小容貌。
When the intensity of the beam was relatively low, the ions remained disordered.
当射线的强度相对较低时，这些离子仍处于无序状态。
The air around the particle heats up, but the hollow center of the beam stays cool.
粒子周围的空气受热，但光束的空心部分仍然保持原来的温度。
The beam is different from the lasers used in Pointers and industrial applications.
这种光束与仪器和工业生产用的激光不同。
I have an idea. I'll shine my flashlight, and you can climb down on the beam of light.
我也有个主意，我点著手电筒，你可以沿著灯柱爬下去。
FSO is also secure: the only way to intercept the signal is physically to intercept the beam.
FSO更是安全可靠：能够拦截信号的唯一方法是对光束的物理隔断。
In that case, CERN would adjust the strength of compensating magnets to coax the beam back into shape.
遇到这种情形，CERN将调整补偿磁铁的强度以诱使粒子束重新回到平面上。
Limitations: Serious injury is possible if people cannot escape from the beam; skin burns within minutes.
限制：如果人们不躲避光束严重的受伤是可能的，数分钟内皮肤会烧伤。
The beam also superheats metal objects like COINS, earrings, or spectacle frames, which can then burn skin.
光束能导致硬币、耳环、眼镜架这样的金属物体过热而烧伤皮肤。
Perhaps the Icarus could serve as the beam generator which pushes its planetary explorer probes into place.
也许在伊卡洛斯计划中，光束产生器就可以用于推进它的行星探测器进行太空飞行。
The beam will be aimed at a collector on the other side of the hangar, rather than several kilometres away.
光束将瞄准飞机库另一侧的——而不是数公里之外的——收集器。
They also found that the time taken to reach this superconducting state depended on the intensity of the beam.
他们还发现，达到超导状态花费的时间取决于射线的强度。
With the beam tightened up, the neutrinos still arrived at Gran Sasso 60 nanoseconds faster than light would have.
随着中微子束的收紧，中微子仍然比光提早了60纳秒抵达了格兰·萨索。
Think of consciousness as a spotlight, with the subconscious controlling when to turn it on and where to direct the beam.
如果把意识知觉当做一个聚光灯，那么潜意识就是它的控制装置，决定灯光什么时候打开，把光束指向哪里。
Moreover, the beam is so tightly focused that equipment a mere dozen metres away from its line would struggle to detect it.
而且，信号流如此紧密集中，以至于仅仅几十米之外的设备都很难侦测到它。
The spray of light scattered forward by these fields could push the object backward, against the movement of the beam itself.
光穿过这些场产生衍射，发散如喷雾状的衍射光向前方传播，因此对物体产生了一个与光束传播方向相反的推动。
By the time it gets to Gran Sasso the beam has fanned out, and big though it is, Opera only sees neutrinos from part of the beam.
当它到达格兰·萨索的时候粒子束已经发散了，尽管Opera很大，它也只能看见部分粒子束产生的中微子。
By the time it gets to Gran Sasso the beam has fanned out, and big though it is, Opera only sees neutrinos from part of the beam.
当它到达格兰·萨索的时候粒子束已经发散了，尽管Opera很大，它也只能看见部分粒子束产生的中微子。
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