[计] state of the art, state-of-the-art technology

mù qián gōng yì shuǐ píng ㄇㄨˋ ㄑㄧㄢˊ ㄍㄨㄥ ㄧˋ ㄕㄨㄟˇ ㄆㄧㄥˊ