求翻译：云计算环境下的网络导航服务中心是基于卫星定位技术，并集成通信、地理信息、惯性导航等手段而发展起来的一种组合导航服务中心是什么意思？

Cloud computing environment, network navigation center is a satellite-based positioning technology, and integrated communications, geographic information, inertial navigation and other means to develop a navigation service center

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Under the cloud computation environment network navigation service center is based on the satellite positioning technology, and integrates one kind of combined navigation service center which methods and so on correspondence, geography information, inertial navigation develop

Network navigation service centre under the cloud computing environment is based on satellite positioning technology, and integrated communications, geographic information, inertial navigation, and other means to develop an integrated navigation service centre

Network navigation service centre is under cloud computing based on satellite location technology and integrates communications, GIS, inertial navigation instruments developed an integrated navigation service centre