During the traditional period, the commune system and other systems such as the household registration system were the primary factors that determined peasants' supply and demand behaviors.

传统体制时期的公社制度和其他制度（如户籍制度）是决定农民劳动供需行为的主要因素。

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This paper presents a primary trial of data warehouse and data mining technologies in water supply system from many aspects, such as theories, system model and implement technique.

本文从理论、系统模式和实施技术等方面对数据仓库和数据挖掘技术在供水系统中的应用进行了一次初步的尝试。

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