In this case, all of the bitmap is stored in one large block.

在这种情况中，所有位图都存储在一个大的块中。

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Each bit in the bitmap corresponds to a block or a group of blocks.

位图中的每一位代表一个或一组数据块。

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Each bit in the bitmap corresponds to a block or a group of blocks.

位图中的每一位代表一个或一组数据块。

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