VDOP缩写的意思

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