classifications分类
classificationn.分类;类别
classification of sales销售额分类
classification of plant植物分类
classification standard分类标准
classification accuracy分类精度
classification language分类语言
classification learning分类学习
classification of karst岩溶区划
classification of crime犯罪分类
classification keyboard分级键盘, 分类键盘
classification variable识别变量