It marks the establishment of a basic system for the navigation and positioning network.
它标志着北斗区域卫星导航定位的基本系统建设完成。
This paper tables a scheme of ship navigation system network based on field bus.
本文提出了基于现场总线的舰船导航系统网络方案。
Such system consists of two sub-systems:one is the topic map based explicit knowledge navigation system and the other is the interpersonal network based tacit knowledge navigation system.
该系统分为基于主题地图的显性知识导航，及基于人际网络的隐性知识导航两个部分。
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