DD缩写的意思

ROH ABE ASOM AOSC OTC ECU LMA PLT/BPC APCF AACG C U.S.P. IIS ABY CSCO DL ATR TDA dm DDC HB ALM ACLA ABIC OT CHO DEXA SGOT SPZ APLL N.F. Tab INCB APC NSA STD IECG URO NCCLS VM AC AEB EPI LTP TC PRL GDP MA PH DSPS AUG IWP PICP AO AACC SCM BWP An ASS MAS