求翻译：基础设施是指为社会生产和居民生活提供公共服务的物质工程设施，是用于保证国家或地区社会经济活动正常运行的公共服务系统是什么意思？

Infrastructure refers to the provision of public services for the social production and living material and engineering facilities, is used to ensure the normal operation of the public service system of socio-economic activities of the country or region

Infrastructure refers to the social production and life of the population in the delivery of public services, and material engineering facilities are used to ensure that national or regional social and economic activities of the normal run public service system

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Infrastructure refers to public service for the social lives of production and materials engineering facilities, is used to ensure that the national or local socio-economic activities normally run public service system

The infrastructure is refers for the social product and the inhabitant lives provides the public service the material project facility, is uses in guaranteeing national or the area social economy activity normal operation public service system