圆周模型对于分析港口产业经济特性非常恰当。
Circle model is suitable for the analysis of economic characteristics of port industry.
因此，它在我国产业经济中占有举足轻重的地位。
Therefore, it has an important status among the industrial economy.
从产业经济学的角度，对电力市场绩效进行研究。
Based on industry economics, study the power market performance evaluation.
主导产业是在产业经济系统中处于支配地位的产业。
Leading industry is the industry which in the controlling position of economic system.
进入与退出壁垒的研究是产业经济学的重要组成部分。
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 research on the entry and exit barriers is an important part of industrial economics.
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