求翻译：二是缘于政府法定的行政垄断，即政府通过法律法规赋予行业中的某个企业以垄断权力，同时对其进行一定的管制，以改 善效率。这种市场形态主要出现在一些具有自然垄断属性的行业当中，比如供水、管道煤气等。是什么意思？

Second, due to government statutory administrative monopoly, the government passed laws that give the industry an enterprise to monopoly power, while some of its control, to improve efficiency. This market mainly in the form of some properties of a natural monopoly industries, such as water, gas and