“natural monopoly industry”的概念、定义、翻译、参考文献-科学参考

单词	natural monopoly industry
释义	natural monopoly industry Encyclopedia 经济学产业结构释 natural monopoly industry自然垄断产业主要业务或者产品生产具有规模经济效益，需要大规模固定资本投资，边际成本不断下降，具有网络效益并由独家或少数企业大规模生产经营的垄断性产业。
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