The postal industry is considered to be the natural monopoly industry traditionally.

邮递业在传统上被认为是自然垄断产业.

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Regarding the attributes of economics, infrastructure has the natural monopoly.

从经济学属性来看, 基础设施具有自然的垄断性.

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Railroad industry is considered as typical natural monopoly trade.

铁路行业被认为是典型的自然垄断行业.

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He regarded telephony as a natural monopoly.

他将电信技术看作一种自然垄断.

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But natural monopoly is relative.

但自然垄断是相对的.

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The railway industry has a property characteristic of the natural monopoly, this must result in controlling.

铁路业具有自然垄断的性质特点, 这必然导致管制.

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The postal service is the traditional natural monopoly industries, with the obvious characteristics of the network.

邮政业属于传统意义上的自然垄断行业, 具有明显的网络特性.

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Many countries have strict income supervision to the networks industry, which is natural monopoly.

对具有自然垄断特性的网络产业, 各国都对其收入实施严格的监管.

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As a resource category of the natural monopoly industries, the coal industry with a considerable scale.

作为资源类自然垄断行业, 煤炭行业具备相当的规模效应.

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