二叉树的一个线性时间 h-v 画树算法

A Linear Time h-v Drawing Algorithm of Binary Trees

介绍二叉树ｈ－ｖ画法的概念，给出二叉树的一个线性时间ｈ－ｖ画树算法，并给出一个应用实例．

The concept of h-v drawing of a binary tree is described.A linear time h-v drawing algorithm of binary trees is presented.An application instance is given too.