DGabbr.微分增益(=Differential Gain)abbr.陀螺方向仪(=Directional Gyro)abbr.圆盘研磨(=Disc Grinder)dgenerate PCR简并PCRdge unloading周边取样dget microphone微型传声器Dgital attenuator数控衰减器dgnamo-electric[医] 电动力的Dgug - resistance耐药性dg synchro amolifier[电] 差动同步放器DG synchro amplifier差动同步放大器Dge-vdun-chos-vphel根登群佩DGPS - Differential GPS差分gps