One of the essential activities of dimension modeling is to capture the aggregation paths or aggregation hierarchies along which end users perform roll-up and drill-down.
维度建模最重要的活动之一就是捕获聚集路径或终端用户执行上卷和下钻所依照的聚集层次结构。
Impulse differential inclusions are introduced as a framework for modeling hybrid systems, and the impulse differential inclusions in one dimension are simplified reasonably.
采用混杂微分包含描述混杂控制系统，针对系统为一维的情况作了合理的简化。
This paper presents the developing of One Dimension Basin Modeling System on microcomputer which has powerful ability, higher speed and good interface.
本文介绍在微机上研制的一维盆地模拟系统。
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