Study and Develop the Economic Management Thought in This Stage is a Significant Reference for Current Four Modernizations Establishment of our Country.
研究和发掘这一时期的经济管理思想,对于当今四化建设,有重要借鉴作用。
This paper is to develop the economic and convenient hydrogen source from partial oxidation and steam reforming gasoline for the proton exchange membrane fuel cell (PEMFC).
本论文的目的是研制开发以汽油为原料的经济、方便的质子交换膜燃料电池(PEMFC)的氢源。
To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.
为了做出更准确的人口预测,人口统计学家必须比现在更多地了解生育率的社会和经济决定因素。
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