hc缩写的意思

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