Deggn.德格degabbr.程度(=degree)degrading treatment有辱人格的待遇degressive tax rate累退税率degradability of DM干物质降解率degaussing computer消磁电脑degreasing of vapor蒸气的脱脂Degenerative steppe退化草地degeneration amylum变性淀粉degressive mutation归先突变, 返祖突变Degener's indicatordegressive taxation递减累进税