The roof is made of prefabricated wood boards, with plywood sheathing that spans from beam to beam.

屋顶由预制木板与在梁与梁之间跨越的胶合木屋面板建成。

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To account for output power balancing capability of large laser facilities, a synthetic method with beam to beam root-mean-square is presented.

针对大型激光装置输出能量平衡能力，建立了束间均方根分析方法。

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Tracking twice as many targets as the radar it replaces, the AESA features active electronic beam steering, which allows the radar beam to be repositioned nearly instantaneously.

AESA雷达可以跟踪所替代雷达跟踪数量两倍的目标，可对有源电子波束进行控制，其波束近乎瞬间即可重新配置。

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Scientific American magazine says huge lasers turn only about twenty to thirty percent of the energy they use into a laser beam.

VOA: special.2010.09.01

The thousand liveried angels - begin to cast their special beam on the virgin's outward shape -- that's her body, the unpolluted temple that houses her virginal mind.

一千个穿着衣服的天使,开始在处女的身体上投射他们神奇的光束-,那就是她的身体，那个装着无暇心灵的未受污染的殿堂。

耶鲁公开课 - 弥尔顿课程节选

So what we end up with for the number of photons in this laser beam of light is 2.1 times 10 to the 17 photons.

这个激光束的数目是,2，1乘以10的17次方。

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Twonky Beam enables users to easily "beam" online and personal video content from a PC, Android or iOS device to the living room with the simple press of a button.

ENGADGET: Twonky Beam update for Android, iOS streams to Roku, Xbox 360

If a beam similar to the original reference beam is shone through a hologram, the result is a three-dimensional image of the object scanned.

ECONOMIST: Researchers can now broadcast moving holograms

The Samsung S4 is the first phone to integrate with technology from a company called Mobeam which allows mobile devices to beam barcodes to ordinary POS scanners.

FORBES: Will Samsung S4 Beat Apple's iPhone To Become The U.S.' First Shopping Phone?