[计] knowledge-based consultation system

jī yú zhī shí de zī xún xì tǒng ㄐㄧ ㄩˊ ㄓ ㄕˊ ㄉㄜ˙ ㄗ ㄒㄩㄣˊ ㄒㄧˋ ㄊㄨㄥˇ