DIFO甲氟磷, 四甲氟[杀虫药]DIabbr.教官（=drill instructor）di-n-butyl sulphide丁硫醚dihydroxydesoxymorphine二羟去氧吗啡dihydroxy tribasic acid[化] 二羟三价酸; 二羟三碱价酸difluoromethylornithine二氟甲基鸟氨酸dilatometer measurement膨胀计测定dichotomous perspective二分式透视diortho-periodic acid二原高碘酸Dicrostonyx vinogradovin.温氏环颈旅鼠dichlorodiethyl salfide[医] 二氯二乙硫醚, 芥子气DI BRAKE CHOP TEMP TRIP制动斩波器跳闸信号