This system proves the correctness of the optimization policy and makes a useful attempt in using the technology of Data Mining in the field of post.

该系统验证了优化策略的正确性，为数据挖掘技术在邮政领域的实用化做出了有益的尝试。

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Finally, the algorithm was transplanted onto the hardware system, then the optimization policy was applied, and fast embedded face recognition system was implemented.

最后，在设计的硬件系统上进行算法移植，详细介绍了系统的优化方案，实现了嵌入式快速人脸识别系统的研制。

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In this paper, we make some researches on the XML query structure and analyze the optimization policy in logical optimization. How to optimize the path expression is discussed primarily in this paper.

本文介绍了XML查询的查询处理结构，分析了逻辑优化的常规策略，重点研究了如何针对路径表达式进行优化。

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