您记录需要纠正的错误数量吗？

Do you keep records of the number of errors requiring correction?

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但是纠正本身亦需要纠正。

But the corrective itself has needed correcting.

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在遍历查询表达式时，算法可能需要纠正双重否定。

As you iterate over the query expressions, your algorithm may need to correct for double negatives. Consider a query expression like this one.

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