The research on the entry and exit barriers is an important part of industrial economics.
进入与退出壁垒的研究是产业经济学的重要组成部分。
The origin of the school of industry structure is the traditional industrial organization economics.
行业结构学派起源于传统的产业组织经济学。
The industrial test used in coal recovery indicates this equipment can take good economics benefit.
通过煤泥回收的工业性试验证明，使用该设备具有较好的经济效益。
The industrial test used in coal recovery indicates this equipment can take good economics benefit.
通过煤泥回收的工业性试验证明，使用该设备具有较好的经济效益。
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