validity period

基本解释

In Figure 9, enter the path and name for the destination file, and verify the validity period.
在图 9 中，输入目标文件的路径和名称，并验证有效期间。
The validity period is indispensable to a firm offer, that remains valid until a stipulated time or until it is accepted or rejected.
有效期对于确盘是必不可少的，在规定的时间之前或在被对方接受或拒绝之前确盘一直是有效的。
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This involves checking the various parameters of the certificate to make sure the certificate is intact along with checking that the certificate is being used within its validity period.
这包括检查证书的各种参数，从而确保该证书从未受到过侵害，同时是在它的有效期内使用的。

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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