period of validity

常見例句

The period of validity of the aforementioned certificates is the duration of the holders' permitted stay in China.
上述居留證件的有效期限為準(zhǔn)許持證人在中國居留的期限。
All signed plug-ins have a period of validity.
所有簽名插件都有一個有效期。
Article 38 Aliens shall leave China within the time limit prescribed in the visas or within the period of validity of their residence certificates.
第三十八條外國人應(yīng)當(dāng)在簽證準(zhǔn)予停留的期限內(nèi)或者居留證件的有效期內(nèi)出境。

To clarify, as has been raised to us by counsel for Branca and McClain since our article first was posted, the will was admitted to probate and the time period for challenging of the validity of the will under California law passed, which has the effect of determining that the will is valid.
FORBES: Michael Jackson's Siblings Promise New Fight Over His Estate
It covers the period from 2007 to the present because I wanted to demonstrate not only the validity of the seasonal trends, but also to point out some of the times when crude did not follow the typical seasonal pattern.
FORBES: The Four Key Seasonal Trends for 2012