In this paper, we presented the problem of multi-criterion fitting to a given family tree and gave a solution formula to the multi-criterion fitting problem of the finite discrete family tree.
本文提出了给定谱系树的多准则拟合问题，并对有限的离散型谱系树多准则拟合问题给出了求解公式。
2
This paper discusses a method of selecting the boundary tree in edge finite element method, proposes the matrix rank method and introduces its applications.
介绍了棱边有限元法中选取边界树的原理和方法，提出了矩阵求秩法计算边界树，并结合实例说明其有效性．。
3
Finite failure is the essential concept in negation as failure. It denotes that the SLD-tree for a goal is finite and all branches of the tree fail.