darabbr. damned average raiser 討厭的平均分提拔者（那些得到高分而使平均分標(biāo)準(zhǔn)升高的好學(xué)生），defence acquisition regulation 國(guó)防采購(gòu)規(guī)定，digital aids recorder 數(shù)字化輔助記錄器，dressed all, round 全包扎
DDTabbr. digital data transceiver 數(shù)字化數(shù)據(jù)收發(fā)器，digital data transmitter 數(shù)字化數(shù)據(jù)轉(zhuǎn)發(fā)器，deduct 扣除，digital debugging tape 數(shù)字化調(diào)試磁帶
DECnetabbr. Digital Equipment Corporation network 數(shù)字設(shè)備公司網(wǎng)絡(luò)，Digital Equipment Corporation trademark 數(shù)字化設(shè)備公司商標(biāo)