The one-dimension bar code recognition system is a background program which supports the recognition system on mobile telephone.

一维条码识别系统是服务于手机识别系统的后台处理程序。

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Similar to other distributed computing efforts, the Cels@Home is also based on a background program that retrieves, processes and sends data as soon as the Cels@Home screensaver is activated.

同其他分布式计算一样，Cels@Home 也是一个在后台运行的屏幕保护程序，当屏保开始运行的时候，它能实现对数据的检索、处理和回传。

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In the test program, we'll attach a wheel listener that has the background color loop through the array of colors based upon the direction, as shown in Listing 4.

在测试程序中，我们增加了一个鼠标滚轮侦听器，它让背景色按照某一方向在颜色数组中循环，如清单4所示。

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Much of the campaign involved sending spear-phishing emails, where an unsuspecting target would click on a link, activating a program that would then runs quietly in the background of their computer network.

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Web Workers, for instance, is an emerging system for isolating a browser's individual tasks into separate "threads, " making it easier for a browser-based program to perform a computationally intensive task such as photo-editing in a background tab while the user is attending to something else, like e-mail, in the foreground.

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The proposed bill would increase the penalties for people who buy weapons for others prohibited from buy guns (so-called straw purchasing), and may also include a grant program for school security and regulations that enhance background checks.

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