period of validity

基本解釋

• 有效期

英漢例句

雙語例句

• 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。

權(quán)威例句

• 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.
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• 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.
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• period of validity更多例句

詞組短語

短語

• period d of validity 有效期
• Period Of Validity To 有效期至
• Sterilization period of validity 無菌有效期
• Period of certificate validity 證書有效期
• Content period of validity 有效使用期限

• period of validity更多詞組

專業(yè)釋義

醫(yī)藥科學(xué)

• 有效期

  Thus,bifidobacterium plays trerapeutic roles in enterogenic infection. Now bifidobacterialpreparation is alive and limited, which period of validity is only one year.
  目前國內(nèi)外研制開發(fā)的雙歧桿菌制劑采用的都是活菌，其有效期不過一年左右，這樣就限制了此類產(chǎn)品的應(yīng)用范圍與條件。

  計(jì)算機(jī)科學(xué)技術(shù)

• 有效期限