The bar codes on the products are read by lasers.

产品上的条形码是用激光读取的。

The Irvine group and their collaborators are testing whether lasers do the job better.

欧文小组和他们的合作者们正在测试是否用激光更好。

Professor Orr has developed interesting ways of tagging chemical molecules using existing laboratory lasers.

奥尔教授已经研发出了用现有的实验室激光给化学分子贴标签的有趣方法。

The parts of the enterprise which are scientifically the most exciting are unlikely to be militarily useful. I am thinking here of the development of new kinds of lasers.

这份计划中，从科学角度看最让人兴奋的部分在军事上却可能无用。我指的是新型激光开发。

As the color of red and white lasers deepens, so does laser energy consumption rise, which becomes a disadvantage.

随着红色和白色激光颜色加深，激光耗能也在攀升，这就成为一个劣势。

Other machines would distinguish problem weeds from crops and eliminate them with shots from high-power lasers or a microdot of pesticide.

其他的机器将有问题的杂草从农作物中区分出来，然后用高能激光照射或农药微粒来消灭它们。

They have not yet come up with the $5 million that EPRI says will be needed to develop a commercial system, by making the lasers yet smaller and cheaper.

他们还没有拿出美国电力科学研究院说需要的500万美元，这笔钱是为了通过制造更小更便宜的激光器来开发一个商业系统。

Pap smears work by detecting abnormal cells that are cancer precursors and that can be destroyed using techniques like lasers.

巴氏涂片可以检测异常细胞，这些细胞是癌症的前兆，可以使用激光等技术来摧毁它们。

Many lasers are pumped by light.

许多激光器是用光来激发的。

They let us see their lasers.

他们让我看他们的激光。

Julia! Press Light lasers!

茱莉亚，用强激光！

Scientists built hundreds of lasers.

科学家建造了成百上千个激光器。

NEON LASERS, reflected on the metal bars.

氖激光反射到了监狱栅栏上。

The lasers demonstrate very good performances.

这些激光器展示出非常好的性能。

Semiconductor lasers and light-emitting diodes

半导体激光器和发光二极管

The lasers by the runways act a bit like radars.

机场跑道两侧的激光起到一些类似雷达的作用。

How do scientists control brain cells with lasers?

科学家们如何用激光控制脑细胞？

The lasers were real but the plan was fanciful.

激光倒是真的，但这个计划却是白日做梦。

Green lasers came shooting out and hit the cell bars.

绿色的激光射中了牢房的栅栏。

Or perhaps, ultrasound can be used instead of lasers.

或者用超声波代替激光。

The welds on the board are scanned with lasers for defects.

电子版上的焊缝会用雷射光来检查有没有瑕疵。

Lasers, however, can be aimed to weld a join from a distance.

然而，激光可以远距离的对准焊接点。

They've used lasers to etch the Yangcheng name on crab shells.

他们用激光把阳澄字样刻在螃蟹壳上。

The idea of using lasers to trigger fusion has a long history.

利用激光触发聚变的想法由来已久。

Easy, just see if my watch lasers can cut through the wall.

简单，看看我的表发出的激光能不能够穿透那堵墙吧。

In industry, lasers are the saws and drills that never get dull.

在工业上，激光被用来作为锯和钻头，而且它永远不会变钝。

Now most experiments have tens of lasers operating together.

现在的条件优厚，本科生就可以做很复杂的实验。

"We have lasers in every supermarket checkout lane," Rigden said.

里格登说：“在每个超市收银台，我们都应用了激光。”

Satellites can be temporarily blinded with lasers fired from earth.

卫星遇到地球上发射的激光，会暂时失明。