英语语法分析

This paper presents for the first time a simplicial branch and bound algorithm for globally solving a class of nonlinear sum of ratios problem.

针对一类非线性比式和问题首次提出一种求其全局最优解的单纯形分枝定界算法。

The model is based on a collection of a divisional terrain data defined as simplicial complexes arranged into a partially ordered 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。

An algorithm for topology reconstruction is promoted that takes as input an unorganized set of points with known density and carries out as output simplicial surfaces.

提出了一种基于曲面局平特性的，以散乱点集及其密度指标作为输入，以三角形分片线性曲面作为输出的拓扑重建算法。