The model is based on a collection of a divisional terrain data defined as simplicial complexes arranged into a partiallyordered set by time and space.
模型把子区域地形几何数据定义为单纯复合形集，按地形变化时间顺序和空间关系组织成一个偏序集。
2
In this paper, our aim is to discuss the extension of an extremal monotonic linear functional in the algebraic dual space of a partiallyordered linear space.