characteristics PE特色体育characteristicn.特点；特性；特色adj.典型的；特有的characteristics and genesis特征及成因characteristic of structure结构特点characteristic fingerprints特征指纹characteristics of taxation税收特征characteristic modification特征修正characteristics computation特性计算characteristic gases method特征气体法characteristic of pollution污染特征characteristics information特性信息characteristic farm produce特色农产品