The level of concentration and its influencing factors have always been the key contents of industrial organization theory.
集中度水平及其变化的影响因素是产业经济学研究的重要内容。
Nevertheless, within China's auto industry, industrial concentration is not high, industrial structure is irrational, technological level, self-development capacity is weak.
尽管如此，我国的汽车产业还存在着产业集中度不高、产业结构不合理、技术水平不高、自主开发能力薄弱等问题。
The agglomeration level of some China "s manufacturing industry was measured by the concentration index of industrial space and CR_n index in 1994-2003."
本文利用产业空间集聚指数和行业集中度CR。指标对中国部分制造产业1994 - 2003年集聚水平进行了测度。
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