diff差速器
Diffeicuhies难点
Diffenderfern.迪芬德弗
difficulites难点
diffrangibleadj.可分解的;可绕射的
diffenbachia花叶万年青属
diffusospheren.扩散层
Diffolisterol苯甲酸雌二醇
diffusivenessn.扩散
diffeomorphic微分同胚的
diffusiometer弥散率测定器,渗滤计,扩散率测定器