mean down time
英 [miːn daʊn taɪm]
美 [miːn daʊn taɪm]
平均停留时间；平均歇工时间；军械修理平均时限；弹药装车平均时间
双语例句
- This may mean pushing down joins between tables on the same data source, automatically using probe type lookups where appropriate, and using the most efficient join technique based upon indexes and statistical information available at the time the query is executed.
这意味着下推相同数据源上的表之间的连接，在适用的情况下自动使用探测类型查找，在查询执行时，根据已有的索引和统计信息使用最有效的连接技术。 - I reckon it sucks to wake up early, that's all. I mean, sleep is important and I know when I've slept too much, but most of the time it's not sleeping enough that gets me down most of the time.
我认为，睡眠是一件很重要的事情，很多人为了早起而早起，而我则是睡够了就可以起来了，不需要刻意早起。 - The failure rate and mean down time of whole system can be obtained.
从而可计算出整个系统的失效率和平均修复时间。