period of validity

基本解释

• 有效期

英汉例句

双语例句

• The period of validity of the aforementioned certificates is the duration of the holders' permitted stay in China.
  上述居留证件的有效期限为准许持证人在中国居留的期限。
• All signed plug-ins have a period of validity.
  所有签名插件都有一个有效期。
• Article 38 Aliens shall leave China within the time limit prescribed in the visas or within the period of validity of their residence certificates.
  第三十八条 外国人应当在签证准予停留的期限内或者居留证件的有效期内出境。

权威例句

• 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

词组短语

短语

• period d of validity 有效期
• Period Of Validity To 有效期至
• Sterilization period of validity 无菌有效期
• Period of certificate validity 证书有效期
• Content period of validity 有效使用期限

• period of validity更多词组

专业释义

医药科学

• 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.
  目前国内外研制开发的双歧杆菌制剂采用的都是活菌，其有效期不过一年左右，这样就限制了此类产品的应用范围与条件。

  计算机科学技术

• 有效期限