characteristics PE特色体育characteristicn.特点；特性；特色adj.典型的；特有的characteristic distillation特征提取characteristics of doughnut油炸面圈征characteristic impedance Zo特性阻抗Z0characteristic of the times时代特征characteristics of pathogen症状鉴别characteristic sub-series特征子序列characteristics of spectrum频谱特性characteristic ssensitivity特性灵敏度characteristics of behavior行为特点characteristics ol schoohng办学特色