The mean field theoryof statistical physics is employed to study improved associative memory.

运用高等数学中积分中值原理，对ＨａｎｎａＧｉｆｏｒｄ提出的处理城市面源的“ＡＴＤＬ”手算模式进行了改进，提出了“积分中值法”的简单直接的算法，分别对考虑面源源高４ｍ和１０ｍ的情形进行了计算。

In light of the problems,this paper proposes their solving approaches,in order to ensure healthy and continuous development of our realty management trade,which also plays important role in improving city image.

介绍了中小城市中物业管理存在的问题,并针对这些问题提出了解决途径,以保证我国物业管理行业的健康持续发展,同时在改进城市面貌形象方面也起着重要的作用。