If the file is closed, the AIX kernel continues to cache the file data in memory (in permanent storage pages).

如果关闭该文件，那么AIX内核将继续在内存中(在永久存储分页中)缓存该文件的数据。

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When all file descriptors for an instance are closed, the resources and underlying object are freed so the kernel can reuse them.

当关于某实例的所有文件描述符都关闭时，资源和下层对象都将释放，以供内核再次使用。

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To realize real time closed loop control, high performance 16-bit DSP TMS320F240 is adopted as control kernel.

控制系统以16位数字信号处理器TMS320F 240为核心，对整个电源进行了实时的闭环控制。

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