Diji地机DIabbr.教官（=drill instructor）dibenzoyl ethylene二苯甲酰乙烯Dihydrogen bonding二氢键di isopropylketonen.二异丙基甲酮Dictyaspis furcatan.分叉网盾虫dioxin-like POPs二噁英类POPsDioryctria rubella微红梢斑螟dichroic polarizer二向色偏振器dilatancy of loess欠压密dihydrotachysteroln.[化]二氢速留醇dibromoiodomethane二溴碘甲烷