DIFE有限元直接迭代算法DIabbr.教官（=drill instructor）Dionic water tester戴氏测水器Dioscorea panthaican.黄山药dicarbocyanine dyes二碳菁染料dichlorophosphazinen.二氯膦嗪Dihydroprotoemetine二氢原吐根碱Dioscorea composita菊叶薯蓣dilatant dispersion胀流型分散体Dioxaphetylbutyrate吗福二苯丁酸乙酯dihydroxy-benzene苯二酚dicyclohexyl ketone二环已基甲酮