This paper introduces the classification model of random decision tree and how to heuristic selected the depth and the number, the experiment shows that the algorithm is effectiveness and efficiency.
该文介绍了随机决策树分类模型及如何启发式选择随机决策树的深度及棵树，通过实验证明了该算法的有效性和高效性。
This peper use heuristic modes of teaching to design the teaching of total probability formula. This method raise the effectiveness of teaching.
本文利用启发式教学法，对全概率公式教学进行了启发式的教学设计，提高了教学效果。
应用推荐