[计] medium scale integrated circuit, medium-scale integrated circuit, MSI
zhōng guī mó jí chéng diàn lù ㄓㄨㄥ ㄍㄨㄟ ㄇㄛˊ ㄐㄧˊ ㄔㄥˊ ㄉㄧㄢˋ ㄌㄨˋ