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。
Their social spending is skewed towards old-age pensions, and employment policies are focused on making it hard to fire people already in work.
他们的社会支出偏重于养老金，就业政策着力保障在职员工不易被解雇。
With a magnifying glass, the rays of the sun can be focused to set grass or paper on fire.
用一面放大镜可以凝聚太阳光，而点燃和纸张。
Meanwhile, the Nook Tablet costs $50 more than the Kindle Fire and doesn't offer in-house video and music services, but has its own charms as a reading-focused device with a dollop of multimedia.
比KindleFire贵50美元的Nook平板并未提供内置的视频和音乐服务，不过作为一款集成了大量多媒体功能的阅读设备来说，它也有着自己独特的魅力。
Yet the producers have wisely focused on the strengths of the two stars: Tucker's hilarious, rapid-fire jive-talk, and Chan's nimble derring-do in tight Spaces and high places.
然而制片商明智地看中了这两个影星的长处：塔克滑稽搞笑，妙语连珠，而成龙无论高空狭隙都身手敏捷，艺胆过人。
Despite finding plenty of blame to go around, the commission focused its fire on some of the previously identified culprits of the crisis.
尽管遭到了许多职责，但是委员会仍然关注已知的危机犯罪。
The elementalist can cast fire to damage multiple enemies at once, wind and lightning as powerful focused damage, water to hinder enemies' movement and earth to increase their own defense.
元素使可以通过火来对多个敌人同时造成伤害，通过风和闪电对少数敌人造成强大伤害，通过水来降低敌人的移动速度，通过土来增加自己的防守。
So she focused in on the space property, and all that sense of the house on fire suddenly disappeared.
于是她就定入了空间元素，所有那些房子著火的感觉突然消失了。
Focused on fire suppression principle, nature and applying areas of different kinds of foam extinguishers. It would be give some guidance to fight the chemical industry fire.
针对化工企业复杂多变的火灾情况，分析了不同种类的泡沫灭火剂灭火原理、性质以及适应扑救的化工火灾场所，为化工企业火灾扑救起到了一定的指导作用。
Fire protection plan for fire control of small town was focused on by fire control department in recent years.
小城镇消防规划是近年来消防部门十分关注的问题。
Fire protection plan for fire control of small town was focused on by fire control department in recent years.
小城镇消防规划是近年来消防部门十分关注的问题。
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