收集关于数据库的任何感兴趣的统计信息，并模拟一个简单的事务。

Gather any statistics about the database that are interesting, and simulate a simple transaction.

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在模拟测试期间，我们通过以下工具收集统计数据信息。

During the simulation tests, we gathered statistical information with the following tools.

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提出了一种基于统计理论与智能信息处理技术的容差模拟电路故障检测与定位新方法。

Based on statistics theory and intelligent information processing technology, a new method for fault detection and location in analog circuits with tolerance was presented.

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