常見例句雙語例句To increase the grain yield per unit area and to enlarge the planting area are two important measures to keep the sustainable grain yield increase.提高單產和擴大播種面積是我國糧食總產持續(xù)增長的兩個重要方面。The technology of grinding jet used for slit to increase yield and injection in oil well is important for the sustainable development of oil field.本文在實際研究和應用的基礎上，對玻璃鋼的傳統(tǒng)加工方法和特種加工方法，如激光切割、純水射流切割和磨料水射流切割作了簡要論述。 返回 sustainable yield increase