discerpv.分开；扯碎DISCn.唱片；圆盘；盘状物；花盘；磁盘（=disk）pref.表示“盘；盘状物；唱片”abbr.折扣（=discount）disc permanent magnet motors盘式永磁电机discharging current strength放电强度discriminant of a polynomial多项式的判别式discharging amount of sewage排污量discriminant function weight判别函数权disc-operated minicomputer字盘操作微型计算机,磁盘操作微型计算机discriminatory visual acuity视觉辨别敏度discrepancies in development发展差异Disc residue cutting coulter滚动圆盘式破茬犁刀disc spring isolation system碟簧隔振器