[电] single-channel monopulse track-ing system
dān bō dào dān mài chōng gēn zòng xì tǒng ㄉㄢ ㄅㄛ ㄉㄠˋ ㄉㄢ ㄇㄞˋ ㄔㄨㄥ ㄍㄣ ㄗㄨㄥˋ ㄒㄧˋ ㄊㄨㄥˇ