此外，可以动态构造这些池，甚至这些池正在活跃地使用时也可以。
Further, these pools can be constructed dynamically, even while the pool is actively in use.
现有的几个线程池实现可以很好地与此模式一起使用。
Several thread pool implementations exist that will work fine with this model.
实现数据库连接池，重用连接对象，而不是重复地打开和关闭连接。
Implement connection pools to the database and reuse connection objects, rather than repeatedly opening and closing connections.
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