front and back buffers 前端和后端缓存
Instead, the most-recently used buffers (pages) are cached here and can be quickly provided back to the individual file systems.
缓存中缓存最近使用的缓冲区(页面)，这些缓冲区可以快速提供给各个文件系统。
The format, order, and contents of the buffers are meaningful only to the front-end and back-end drivers.
缓冲区的格式、顺序和内容仅对前端和后端驱动程序有意义。
Your sound card does not support hardware buffering. Sounds will only play back from software buffers.
您的声卡不支持硬件缓冲。只能从软件缓冲区播放声音。
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