Which performs better, this actor or that actress?

这位男演员和那位女演员，哪一位表演得更好？

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For example testing alternate designs for key pages to see which performs better.

例如通过测试几个可选的关键页面设计，可以很明确的看到哪个设计表现更好。

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After examining the two code blocks in Listing 3, see if you can determine which one performs better.

在查看了清单3的两个代码块之后，可以看出哪块代码执行得更好。

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Representatives from ESPN tell us that a native 720p 60 3D signal performs better during fast motion, which is something we'll see during the Derby and Summer X-Games.

ENGADGET: ESPN 3D officially launches with FIFA World Cup coverage: live from Bristol