Based on CES production function, the article derives the calculation method of technological advance’ direc-tion, and accordingly measures different directions and biased extent of technological advance of manufacturing sector among regions during the year of 1993 to 2012. The results show that the growth rate of capital productivity is in sharp decline, while the growth rate of labor productivity is rising in this period. From the principle of diminishing marginal productivity, it concludes that technological advance is generally favored the use of capital and labor-saving in the national level. From the region level, the biased level of the central and western regions is the highest, followed by the eastern region, while the Northeast region, although it is the heavy industry base, its biased level to capital is relatively low. Accordingly, this article finds the determinants of the direction of technological advance in the national level from the factor supply aspect, and finds the system factors of different biased level on the regional level.%文章基于CES生产函数，推导出技术进步方向的测算方法，并据此度量了1993-2012年期间中国制造业部门地区间不同的技术进步方向和偏向性程度。测算表明：在考察期内，资本生产效率的增长率在大幅下降，而劳动生产效率的增长率在上升。从要素的边际生产力递减原则出发，可以得到结论：在国家总量层面上，技术进步总体是偏向使用资本和节约劳动的；在地区层面上进行考察发现，中西部地区资本偏向性水平是最高的，其次是东部地区，而东北地区虽然是全国的重工业基地，但其技术进步对于资本的偏向性水平反而比较低。据此，文章从要素供给角度，为全国总量层面上技术进步方向的决定因素找到了答案，也为地区层面不同技术进步偏向程度的形成原因找到了体制内的影响因素。
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