DIFC=Difference Counter 差分计数器
DIabbr.教官(=drill instructor)
Diboron organic compound二硼有机化合物
Dicranopteris taiwanensisn.台湾芒萁
di-iso-amyl phthalate邻苯二甲酸二异戊酯
Dihydroxyacetone synthase二羟基丙酮合酶
di-quaternary exchanger双季铵盐交换剂
Dichlorophacinon ammonium双氯敌鼠铵
dilating balloon catheter扩张胶囊导管
Dicrateria zhanjiangensis湛江叉鞭金藻
Dihydroxy Propoxy Guanine二羟丙氧鸟苷[抗病毒药]