行政契约的无效是指行政契约因具有明显重大的瑕疵或具备法定的无效情形，而自始不发生效力的情形。
The invalidation of administrative contract is that administrative contract doesn't have efficiency from the beginning because it has evident and serious defect or has legal invalid conditions.
行政契约的无效是指行政契约因具有明显重大的瑕疵或具备法定的无效情形，而自始不发生效力的情形。
The invalidity, cancellation and correction of an administrative behavior is an action taken against an illegal administrative behavior and an remedy of legal duty.
对诉讼标的没有共同权利义务的，其中一人的诉讼行为对其他共同诉讼人不发生效力。
if a party of two or more persons have no common rights and obligations with respect to the object of action, the act of any one of them shall not be valid for the rest.
对诉讼标的没有共同权利义务的，其中一人的诉讼行为对其他共同诉讼人不发生效力。
if a party of two or more persons have no common rights and obligations with respect to the object of action, the act of any one of them shall not be valid for the rest.
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