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

mù qián fā zhǎn shuǐ píng ㄇㄨˋ ㄑㄧㄢˊ ㄈㄚ ㄓㄢˇ ㄕㄨㄟˇ ㄆㄧㄥˊ