While introducing natural monopoly, the dissertation introduces the concept of administrative monopoly and transform of natural monopolies caused by changes of technology and demand.

在引入自然垄断概念的同时论述了行政垄断定义以及技术和需求变化引起的自然垄断产业变迁。

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While introducing natural monopoly, the dissertation introduces the concept of administrative monopoly and transform of natural monopolies caused by changes of technology and demand.

在引入自然垄断概念的同时论述了行政垄断定义以及技术和需求变化引起的自然垄断产业变迁。

youdao