Weighing just 1, 600 kg (3, 500 lb), as much as a medium-sized car, theplane powered by four electric motors is designed to save energy from its solarcells in high-performance batteries.

这家飞机配有四台电动机，这种电动机能够节约使用高性能电池内的太阳能电池能源，整架飞机只有1600公斤，约合3500磅，和一辆中型汽车相当。

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They created an algorithm to forecast movements in ticket prices on secondary market sites, weighing such factors as team performance, weather, venue, and ballpark promotions.

于是他们设计了一套算法来预测二手市场的票价走向，该算法将综合权衡球队的成绩、天气、收入以及球场的促销等因素。

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Marketing VP Greg Joswiak mentioned the storage performance issue to me during an Apple event this past summer, which suggests that the company is weighing the pros and cons.

今年夏天在苹果的一次会议上，营销副总裁Greg Joswiak曾经跟我提过这个问题，这说明苹果正在权衡闪存笔记本的利弊。

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McLaren will make its decision regarding the French Grand Prix after weighing up the performance and reliability of the new car in Jerez.

BBC: Pedro de la Rosa in the McLaren MP4-19B at Jerez in Spain

Central banks cannot afford to ignore the performance of the stockmarket in weighing up the wisdom of their monetary policy.

ECONOMIST: The stockmarket economy

Jane Forbes Clark, the Hall's chairman, said last year she was not troubled by voters weighing how to evaluate players in the era of performance-enhancing drugs.

NPR: Judgment Day For Bonds, Clemens, Sosa At Hall