中文说明：
熟悉三角形模糊数、中心及隶属函数表达式的概念。了解特征映射算法及统计中的统计量的概念。利用聚类迭代算法建立，个三角形形式的隶属函数。
English Description：
Familiar with the concept of triangle fuzzy number, center and membership function expression. Understand the concept of statistics in feature mapping algorithm and statistics. A triangular membership function is established by clustering iterative algorithm.