[计] I/O control system, Input/Output Control System, IOCS

shū rù shū chū kòng zhì xì tǒng ㄕㄨ ㄖㄨˋ ㄕㄨ ㄔㄨ ㄎㄨㄥˋ ㄓˋ ㄒㄧˋ ㄊㄨㄥˇ