three-level network meaning in English

三级网络

China has fully used the urban - rural three - level network of health services to develop community rehabilitation , helping most disabled children in grassroots areas enjoy basic rehabilitation services
中国利用城乡三级医疗预防保健网开展社区康复，使城乡基层的大多数残疾儿童能够享有基本的康复服务。
In order to realize the global strategic target whereby everybody would enjoy health care by the year 2000 , a maternity and child hygiene service system commensurate with its national conditions has been established in china and a three - level network of medical treatment , prevention and health care has been developed in its rural and urban areas , providing health care and planned immunity services for children
中国已建立了符合国情的妇幼卫生服务体系，为实现“ 2000年人人享有卫生保奖的全球战略目标，遍布于城乡的三级医疗预防保健网，向广大儿童提供卫生保健和计划免疫服务。