The structure table shows how the processor must handle foreign elements at each level.

结构表说明了处理程序需要在各个层次上如何处理外来元素。

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Otherwise, the processor has to use a temporary work table to sort the records first.

否则，处理器必须先使用临时工作表对记录进行排序。

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Otherwise, the processor has to use a temporary work table to sort the records first.

否则，处理器必须先使用临时工作表对记录进行排序。

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