Decsy德奇
Decn.十二月n.美国数字电子公司
decelerating premium bonus递减奖金制
Dechuang Commanding Office德川幕府
decreasing pitch propeller降低齿节推进器
decimeter-wave continuum分米波连续谱
Decaboron tetradecahydride十四氢化十硼
Declarative query language说明式查询语言
Declining an offer of help谢绝提供的帮助