【Key words】 DEA method; Productive factor efficiency; Improving potentials; Megalopolis; China
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The invention can eliminate the effects of anthropogenic factor in the process of reposting the protective film, and greatly improve the productive efficiency and product quality.
通过本发明可以去除保护膜重贴过程中人为因素的影响，大大提高生产效率和产品质量。
Inequalization in education is an important factor leading to low productive efficiency.
教育的不均等是导致收入不均等以及生产效率低下的一个重要因素。
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