it estimates quantitatively the
Using the statistic data about GDP and the input of production factors from 1990 to 2007,it estimates quantitatively the contribution rate of the input of science popularization to economic growth by Cobb-Douglas production function.
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it estimates quantitatively the
它定量地估计了
以上为机器翻译结果，长、整句建议使用 人工翻译 。