操作数的顺序与等价的中缀表达式中操作数的顺序一致。
The operands are in the same order that they would be in the equivalent infix expression.
正确的往返不要求输入和输出文档看起来一致，只要求它们在语义上是等价的。
Proper round-tripping doesn't require that the input and output documents look the same; it just requires that they be semantically equivalent.
并举例说明，对于不一致决策表，其属性约简的代数表示不能用条件信息量来等价表示。
Through examples, it shows that attribute reduction of an inconsistent decision table cannot entirely be represented by conditional information quantity.
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