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二甲苯:工艺经济分析
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《精细与专用化学品》 CAS 2003年第11期34-34,共1页
关键词 二甲苯 工艺 综合性经济分折 产品 原料 成本构成
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第二代超音速客机的制造问题
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作者 白九龙 曾冬娟 《飞机设计》 2001年第1期49-56,共8页
关键词 超音速客机 制造 客运能力 经济分折 设计
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Has China Become A Dual-Sector Economy? An Empirical Analysis on Whether China Has Reached the Lewis Turning Point
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作者 姚万军 《China Economist》 2012年第3期82-88,共7页
Both the labor shortage that began in 2000 and the wave of migrant workers returning to the countryside in 2009 sparked intense debates among scholars about whether China had reached the Lewis turning point. Based on ... Both the labor shortage that began in 2000 and the wave of migrant workers returning to the countryside in 2009 sparked intense debates among scholars about whether China had reached the Lewis turning point. Based on agricultural economics and the dual-sector model the author conducted an empirical analysis and arrived at the followingfive conclusions. First, the dual economy is structured differently among agricultural industrial sectors and regions. Second, surplus labor still exists in the backyard stockbreeding sector (hogs, beef cattle, sheep, and dairy cattle), implying that it has still not passed the first turning point. Third, the sector of production of staple food grains and minor cereals has passed the shortage point, but is still far from the commercialization point. Fourth, cash crop production has passed out of the subsistence sector into the capitalist sector. Fifth, regional differences are stark. the majority of China's eastern region is either approaching or has surpassed the commercialization point, whereas the central and western regions have not. 展开更多
关键词 dual economy dualistic structure coefficient unbalanced regionaldevelopment agricultural sector
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