There are three factors, input factors, technical improvement and technical efficiency, influence the increase of maize yield.
影响玉米单产增长的诸多因素大概可以归纳为三类，一是要素投入，二是技术进步，三是技术效率。
Continuous growth of economy depends on the improvement of technical efficiency and technical progress.
经济的持续增长依赖技术效率的不断提高和技术进步的不断实现。
The results show: (1)the average growth ratio of China's dairy industry from 1998 to 2005 is 0.6% , the decline of technical efficiency can not counteract the improvement of technical progress.
研究表明，1998~2005年，中国乳制品业全要素生产率以年均0.6%的速度增长，技术效率的下降不足以抵消技术进步的增长；
应用推荐