This model suggests that, when the relation "parallelogram rule" exists between main stem and sub branches, the total volume of branches is minimal.
该模型认为，当主干与侧枝的截面积之间存在类似平行四边形法则的关系时，分枝的体积取极小值。
2
This paper gives a new method of finding the minimalsub-tree and gives the method of finding the matrix of minimal path weight.
本文给出了求最小部分树的一种新方法，同时给出最短路权的矩阵求法。
3
With the new method, a minimal path feeder vector can be constructed to produce reliability indexes of a complex distribution system with sub feeders and alternative suppliers.