AC缩写的意思

TSP RORSAT FCLPRC AC WBGT P.E.O. C&T PER EOC TS NFAP NFPARR RU PEFC IAQ LOI AR MPN PEL CFC SE ED EM AHGOLEOD APL AFOC ES APN PS DOW FRS ARIS EI CASS TPES APFTPOS UKWAS ESS AT DC SBR FFCS LJ THC SM API SR MP EGR FFES OSUCFM ACODS APC IPCC WWTS AS ETC OHS ASBL DIL