Each buffer gets a unique DMA tag ID.

每个缓冲区获得一个惟一的DMA标记ID。

youdao

What data (if any) are overwritten when the buffer gets full and spills over!

当缓冲区已满并且溢位时，覆写了哪些资料(如果有的话)！

youdao

And with a more substantial method, which might involve more resources than just two files and a buffer, it gets even more complicated.

更复杂的方法可能涉及更多资源，而不仅仅是两个文件和一个缓冲区，这使得问题变得更加复杂。

youdao

There are steps that could make a difference right now -- steps that can also serve as a buffer in case the situation in Europe gets any worse.

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