Switch on memory?

记忆能够开关？

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Therefore the designers of operating systems found ways to rapidly switch contexts, partition the memory resources, and use the idle cycles so multiple programs could run, seemingly simultaneously.

因此，操作系统的设计人员找到快速切换上下文、划分内存资源，并且使用空闲周期的方法，这样多个程序就可以表面上同时运行了。

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Specifically, the study describes an acetyl genetic switch that produces memory impairment in aging 16-month-old mice.

特别是，这项研究描述了一种乙酰基遗传“开关”，这直接导致了一只16个月大的白鼠记忆上的损伤。

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In the last year or so, those dizzy fantasies and their sensations had stopped, cut off as abruptly as if someone had pulled a switch, only the memory of them left like markers on the surface above deep water.

NEWYORKER: Friendly Fire

The machine's two gigabytes of built-in memory allows it to switch between applications, such as iMovie and iPhoto, easily.

FORBES: Magazine Article

To further cut costs, Sony is also said to be considering a switch from the speedy Rambus XDR memory to more traditional DDR3 memory, which could apparently be tied directly to the processor to cut down on latency.

ENGADGET: Sony said to be hanging onto Cell processor for PlayStation 4