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20世纪 90年代 ,全球电信业完成了一场从上到下的大变革。这场变革有两个突出的特征 :一是网络系统建设规模空前 ;二是世界各国的决策者们普遍采取了以市场为导向的发展理论。
In the 1990s, the global telecom industry completed a big transformation from top to bottom. This change has two prominent features: First, the unprecedented scale of network system construction; Second, policymakers in various countries of the world have generally adopted the market-oriented development theory.