名词中文翻译1
中文翻译：Unknown
同义词：
['validity', 'validity of a claim', 'validity period']
例句：
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1. The new law will take effect on January 1st.
新法律将于1月1日生效。
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2.The validity period of the contract is three years.
合同的有效期限为三年。
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3. The validity of the document is subject to the terms and conditions of the agreement.
该文件的有效性取决于协议的条款和条件。