expire data的意思|示意

Also notice the CACHE_FEED_TIME expiration value being used to expire data from the cache.

另请注意，使用了CACHE_FEED _ TIME到期值使缓存中的数据过期。

The filtering rules should also include automatic purging or backup of aged data and a mechanism to expire large XML files sooner.

筛选规则还应该包括对旧数据的自动清除或者备份、以及使大的XML文件不久后过期的机制。

Dholakia's study found that 22% of respondents allowed their Groupon coupons to expire without being used, though he warns that vendors' data was somewhat spotty on that metric.

Dholakia的研究发现，有22%的被调查对象并没有使用Groupon优惠券，而是让它们过期作废，然而他提醒人们在这项指标上业主提供的数据有点水份。

Unlike the data associated with an LSID, metadata can expire.

和与LSID关联的数据不同，元数据会到期。

The bus can automatically expire the data when it is no longer valid.

总线可以在数据不再有效时自动地对其进行过期处理。

Where possible, avoid using data that may expire;

只要可能，避免使用可能过期的数据；