数据访问效率低下已成为多层体系结构应用软件的主要性能瓶颈，而数据库连接池技术是解决这一问题的主要途径。

One major performance bottleneck of the multi-layer application software is low data access efficiency; connection pool technology is an effective way to solve this problem.

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数据库连接池正是针对这个问题提出来的。

Database connection pool is put forward for this question.

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