LD缩写的意思

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