名词中文翻译
中文翻译：有效性
同义词：
['validity', 'validity of treaty', 'validityperiod']
例句：
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1. The validityof the contract is up for debate.
合同的有效性有待讨论。
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2. The validity of thedocument was questioned by the court.
文件的有效性被法院质疑。
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3. Thevalidity of the agreement wasconfirmed by the government.
协议的有效性得到了政府的确认。