It's a complex 192-beam system that last year generated a pulse with a megajoule of energy in a few billionths of a second, making it the most powerful laser ever built.

这是一个复杂的系统，可以同时发出192束激光，去年，在十亿分之几秒的时间内，产生了能量达到100万焦耳的激光脉冲，使之成为有史以来能量最强的激光器。

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The master bedroom en suite features another massive stone wall beneath a soaring timber ceiling, with a large built-in headboard topped by a mantle-like wood beam.

主卧套房特色是另一面大块石墙，它在高耸的木质天花板下方，套房有大型内置床头板，顶部是斗篷似的木梁。

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Sacred Heart Cathedral in Guangzhou built in Tongzhi two years (1863), its original roof is wooden beam framework.

广州圣心大教堂始建于清同治二年(1863年)，原屋顶为抬梁式木构架。

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Ram's heavy duty 2500 and 3500 models come with a rear-facing camera built into the center-mounted brake light behind the cab that can beam images of a trailer or the cargo in the bed into the truck's dashboard screen.

WSJ: Pickup-Truck Drivers Still Work Hard, but in Comfort

This lets a built-in microprocessor adjust the brightness and the spread of the Nao's beam accordingly.

WSJ: The Petzl Nao: A Smarter Light | At Play