DM技术与OLAP技术是电力营销决策支持系统中的关键数据分析技术，二者有机结合构成的多维数据挖掘模型能提高数据分析的效果和性能。
The DM and OLAP are the critical techniques of data analysis, the multi dimensional data mining model combining both techniques can enhance the performance and effects of data analysis.
总的来说，我国现行的财税支持政策的内容还比较狭隘，大多还是局限于资金的补贴上，不是多维的财税支持系统。
Generally speaking, the content of current fiscal policy support is relatively narrow which mostly pay more attention to fund subsidy, not a multidimensional fiscal support system.
接着阐述了数据仓库技术理论，探讨了决策支持系统中数据仓库层的设计方法和软件开发方法，并提出了一种新的多维数据的建模方法。
Then the technical theory of DW is expounded, the methods of DW system's design and its software developing are discussed. Meanwhile, a new framework of DSS is presented.
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