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dichloro-dipropyl ether二氯二丙醚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]