A push service system for location based tourism information was proposed by the combination of linear quad-tree, wireless network, Geographic information system (GIS) and cross media techniques.
结合线性四叉树、无线互联网、地理信息系统(GIS)和跨媒体技术，实现了一个具有高真实感、较强交互能力的旅游信息主动推送服务系统。
Information push service is based on push technology, but not the same with push technology, besides, it concerns the problem of service objective.
信息推送服务基于推送技术，又不等同于推送技术，它还涉及到服务对象的问题。
Information push service is based on push technology, but not the same with push technology, besides, it concerns the problem of service objective.
信息推送服务基于推送技术，又不等同于推送技术，它还涉及到服务对象的问题。
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