So in equal Numbers of equations and unknowns that the normal nice case.
一般的例子中未知数个数和方程个数相等。
In that case, the normal price range of how much discount?
在这种情况下，正常的价格范围多少折扣？
In normal case, carelessness is the main cause of accidents.
在正常情况下，粗心是事故的主要原因。
In normal case, poster designers follow the general rules of poster design.
通常情况下，海报设计者都遵循海报设计的一般规则。
In normal case, poster designers follow the general rules of poster design.
通常情况下，海报设计者都遵循海报设计的一般规则。
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