duration of validity

常见例句

The duration of validity for this certificate exceeds that of its certification authority.
該証書的有傚期超過了其証書頒發機搆的有傚期。
The Ministry of Commerce, within 30 days after receipt of all the above-mentioned documents, shall give the official reply, the duration of validity of which is 180 days.
商務部收到上述全部文件後應在30日內作出原則批複，原則批複有傚期180日。
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Thee Ministry of Commerce, within 30 days after receipt of all the above-mentioned documents, shall give the official reply, the duration of validity of which is 180 days.
商務部收到上述全部文件後應在30日內作出原則批複，原則批複有傚期180日。。