牙买加的阿萨法·鲍威尔以今年100米比赛的最快成绩夺得冠军。

And it was Jamaica's Asafa Powell, headlining the stop as he turned in the fastest 100m of the year so far.

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我喜欢阿萨法·鲍威尔和泰森·盖伊，他们是跑道上的新星。

I like Asafa Powell and Tyson Gay, they are new track stars.

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鲍威尔法是一种可用于电机优化设计的直接搜索法。

Powell method is a direct searching method which can be used in electrical machine design.

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