邮递业在传统上被认为是自然垄断产业。
The postal industry is considered to be the natural monopoly industry traditionally.
再从铁路运输业的经济特征中，理论论证了在铁路运输业只有其中的路网部分具有自然垄断性质，而其中的路运部分则不具有自然垄断性质。
Then, from the economic trait of this industry prove that the natural monopolistic quality is just exist in a part of the road net, not in the road transportation.
第一部分为引言，第二部分首先分析了电信业的经济特性，包括自然垄断性和产业链(网络层和服务层)的特点。
Part two analyzes the economics characters of the telecommunication industry including the nature monopoly structure and industry chains (network and service).
保险业是具有自然垄断属性的可竞争行业，对保险竞争进行监管是世界各国普遍采取的做法。
Insurance industry has the attribute of naturally monopoly, but also has the attribute of competition. Insurance regulation is broadly used all around the world.
保险业是具有自然垄断属性的可竞争行业，对保险竞争进行监管是世界各国普遍采取的做法。
Insurance industry has the attribute of naturally monopoly, but also has the attribute of competition. Insurance regulation is broadly used all around the world.
应用推荐