Why is the program running only half as fast with the aspect applied?

为什么这个程序使用了方面后，它的运行速度只有一半了呢？

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The bright return stroke travels upward at around half the speed of light, and is too fast to capture in more than one image.

闪亮的回击以光速的一半速度上行传播，由于它的速度太快，在一张图象中不能捕捉到这一过程。

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Since 2001 the pay of the typical worker in the United States has been stuck, with real wages growing less than half as fast as productivity.

自从2001年以来，美国的普通工人工资水平始终徘徊不前，实际收入的增长甚至不足生产率增长的一半。

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The F.T.C.estimates that food,drink and fast-food restaurants spent more than one and a half billion dollars on advertising to young people in two thousand six.

VOA: special.2010.06.04

Proton had half of the fast-growing Malaysian market, thanks both to import tariffs (as high as 350% for a Mercedes) that made the Proton cars by far the cheapest in their class, and loans so generous that a buyer could pay as little as 10% of the price of the car up front and the rest over as much as ten years.

ECONOMIST: Malaysia��s car industry

Once you plunge in you find sections that alternate between slow streams where you can beach yourself against a flat half-submerged rock, and fast currents of waterslide fun.

BBC: The secret swimming holes of Vermont

Nevertheless, Cracker Barrel is taking a plunge into the unknown with 24 electric charging stations (half of them with ultra-fast 480-volt DC) in a Tennessee triangle that includes Nashville, Knoxville and Chattanooga.

FORBES: Charging electric cars at the Cracker Barrel