研究背景：近年来，根据有关文件精神和卫生服务开展的实际情况，山东省建立起了比较完善的卫生服务体系。
Background: According to the spirit of some related documents and the status of health care, the government constructed the comparatively perfect health care system recently in Shandong.
研究背景：近年来，根据有关文件精神和卫生服务开展的实际情况，山东省建立起了比较完善的卫生服务体系。
Background: According to the spirit of some related documents and the status of health care, the government constructed the comparatively perfect health care system recently in Shandong.
应用推荐