PHP has a complex relationship with multitasking or concurrency.

PHP与多任务或并发的关系十分复杂。

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With multitasking built around the organizing metaphor of "activity CARDS," it's fundamentally different from any other device ever sold.

围绕有机“活跃卡”构建的多重任务处理功能使得Palm Pre与以前市面上的任何其他设备都截然不同。

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Is there really anything wrong with multitasking and taking the occasional call during dinner, or checking E-mail while you are in a meeting?

当你进行多重任务，晚餐时接听一通偶然的电话或是在会上查看你的电邮。真的有什么不妥么？

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Clearly the Web draws hours of use, although with multitasking it can be difficult to say what it is taking eyes and ears away from.

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Running in the background, too many third-party apps overuse system resources, memory, and network to the point where almost any machine with multitasking capability ends up running slowly and killing battery life.

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This allows the smartphone to effortlessly switch between applications and enables a rich web browsing experience with true multitasking.

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