交换列中较高的数值表示存在许多进程使用了太多的内存，需要对它们进行换入和换出。
High Numbers in the swapped column indicate that there are two many processes using too much memory that need to be swapped in and out.
非常低的空闲空间量和较高的换入或换出页数可能表明VM不足，非常高的换入和换出页数可能表明物理ram不足。
A very low amount of free space and a high number for pages in and out probably indicates a lack of VM and, with very high pages in and out, probably a lack of physical RAM.
处理器能力被划分为时间片，应用程序映像经常被换入和换出真实内存，设备访问由需求驱动，还受到访问权限的限制。
Processor capacity is doled out in slices, application images are constantly shuffled in and out of real memory, and device access is driven by demand and policed by access rights.
处理器能力被划分为时间片，应用程序映像经常被换入和换出真实内存，设备访问由需求驱动，还受到访问权限的限制。
Processor capacity is doled out in slices, application images are constantly shuffled in and out of real memory, and device access is driven by demand and policed by access rights.
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