DC缩写的意思

OX1 RTCM CCD ST SUV SA TAP VICS TDOP SSS CL MIL f.i.o.s. S/P TVO ISSC ATC IMC ASR TFV MPI SP HAI TCLU CCL AMI VASI SLS UHVI HO 1PPM C.I.F.E. AC VRCV MPFI f.0.w. B/N HPF BIMCO NB S/O CVT f.i.w. OHC EBD SCR C/E PM c/- DT&E AFR D/R HB/L FPA FAS MCS APC HERMES RC M/F