... soil productivity土壤生产力;地力 marginal productivity边际生产力 economic productivity经济生产率 ...
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Whereas United States economic productivity grew at an annual rate of 3 percent from 1945 to 1965, it has grown at an annual rate of only about 1 percent since the early 1970s.
从1945年到1965年,美国的经济生产力以每年3%的速度增长,而自1970年代初以来,它的年增长率仅为1%左右。
Although population, industrial output and economic productivity have continued to soar in developed nations, the rate at which people withdraw water from aquifers, rivers and lakes has slowed.
尽管发达国家的人口、工业产出和经济生产率还在飙升,但人们从含水层、河流和湖泊取水的速度已经放缓。
The costs can also be measured in lost economic productivity.
这种损失还可以用失去的经济生产力来衡量。
Of the one million malaria deaths each year, Experts say malaria victims occupy 60 percent of available hospital beds on the continent and reduce economic productivity by $12 billion per year.
VOA: standard.2010.04.23
And expanding and developing this science and engineering workforce is critical to the nation's economic innovation and productivity and competitiveness."
VOA: special.2010.04.01
The answer is simple. The United States is the only country in the world today which has the economic power and productivity to furnish the needed assistance.
VOA: special.2011.08.04
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