After they were weaned, they were kept in the same light cycle for several weeks or switched to the opposite one.

在这些老鼠断奶后，他们被放置在相同的光照周期中长达数周，或转换到相反的光照环境。

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Plants catch light and turn it into an electric current, then use that energy to excite catalysts that split water into hydrogen and oxygen during what is called photosynthesis' light cycle.

植物捕获光线，转换成电流，然后利用这一这能量激活催化剂，然后把水分解成氢和氧，这一过程被称为光合作用的亮循环。

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New Tron Legacy's light cycle has apparently escaped the grid to get into the real world, which has been produced by a Florida-based company.

《电子世界争霸战2》里面的夜光摩托显然“逃脱”电网，来到了现实世界，只是因为美国佛罗里达州一家公司制造了夜光摩托。

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"The good news is that people who stay up late in front of the television and computer may be able to undo some of the harmful effects just by going back to a regular light-dark cycle and minimizing their exposure to artificial light at night, " Bedrosian says.

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Over the eight-week period of the experiment the mice in the first and third groups gained almost 50% more weight than those exposed to the natural light-dark cycle.

ECONOMIST: Obesity: The dark side of light | The

The new film has been updated with all of the modern bells and whistles including light cycle races in 3-D and Jeff Bridges acting opposite a digital version of his younger self.

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