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由于具有资源稀缺性（如频率资源有限）、规模经济效益、范围经济效益、高固定成本的沉淀性以及存在技术障碍等技术经济理由，电信业一直被认为是自然垄断行业。为了防止垄断企业滥用市场支配力，制定垄断价格，损害消费者利益，不利于资源的有效配置，因此，各国的电信行...
The telecommunications industry has long been considered a natural monopoly because of its technical and economic reasons of scarcity of resources (eg limited frequency resources), economies of scale, economies of scale, precipitating high fixed costs and technical barriers. In order to prevent monopoly enterprises from abusing market power, setting monopoly prices, harming the interests of consumers, and not conducive to the effective allocation of resources, telecom firms in various countries ...