OLAP is a powerful decision support tool.

OLAP已成为决策支持的一种重要工具。

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Variance analysis is an important decision support tool of activity-based cost management.

差异分析是作业成本管理中重要的决策支持工具。

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Model Description Language NUMDL is an important part of JSEIDSS which is an intelligent decision support system. NUMDL provides a tool for model building and model management.

模型描述语言NUMDL是智能决策系统JSEIDSS的一个重要组成部分，它为系统模型的建立和管理提供了很好的工具。

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The session will include a demonstration of the UGROW software, a complete and fully integrated modelling package and a decision-support tool for urban water management.

UNESCO: Le monde c��l��bre la Journ��e mondiale de l'eau (22 mars)