DDx缩写的意思

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