例句 /

The evolution of the regulation theory of natural monopoly industry is the main reason for China's regulation reform of telecom industry since 1990s.

The evolution of the regulation theory of natural monopoly industry is the main reason for China's regulation reform of telecom industry since 1990s.

摘要自然垄断产业规制理论的演化是20世纪90年代以来我国电信业规制改革的主要动因之一。