PT缩写的意思

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