muhi-levels laboratory的用法和樣例：
例句
- From then on, a system of innovation at both national and regional levels has been well under way.
它標誌著我國正步入按照市場經濟的要求來構建國家和區域創新體系的新階段。 - This expected recipients of federal funding to patent their innovations as an incentive for them to leave the laboratory.
這一法案鼓勵聯邦資助的接受者將創新成果申請專利，從而激勵研究人員離開實驗室。
