... a very large number of 许多 ; 许许多多的 ; 一笔很大的数目 ; 意为 A particularly large number of 特别多 a fairly large number of 相当大一部分 ...
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Sometimes, however, a particularly large number of species have become extinct relatively suddenly.
但有时,相当数量的物种会相对突然地灭绝。
In situations with a large number of columns - particularly if some are large VARCHAR or BLOB fields - this behavior can be a significant problem in terms of memory usage and performance.
在具有为数众多的列的情况下—尤其是当有些字段是巨大的VARCHAR或blob字段时—就内存使用和性能而言这种行为很有问题。
As you can see, the pool maintenance thread does a lot of work when it "wakes up," particularly if there are a large number of connections in the connection factory's free pool.
正如您看到的,池维护线程在“醒来”时会执行许多工作,尤其是在连接工厂的空闲池中存在大量的连接时。
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