S/N缩写的意思

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