In embedded systems with no mutable storage, the initrd is the permanent root file system.

在没有存储设备的嵌入式系统中，initrd是永久的根文件系统。

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Methods Apicoectomy was performed immediately after the permanent root canal filling.

方法对慢性根尖瘘管进行常规根充后，即刻行根尖切除术。

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Because there is no hard drive in many embedded systems based on Linux, the initrd also serves as the permanent root file system.

由于在很多基于Linux的嵌入式系统上没有硬盘，因此initrd也会作为这种系统上的永久根文件系统使用。

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