机译:卫生保健服务的可靠性及识别不良区域的股权
School of Geography and Tourism Shaanxi Normal University Xi'an 710119 China;
Northwest Land and Resource Research Center Shaanxi Normal University Xi'an 710119 China;
Northwest Land and Resource Research Center Shaanxi Normal University Xi'an 710119 China;
Northwest Land and Resource Research Center Shaanxi Normal University Xi'an 710119 China;