地理空间数据共享机制是“数字城市”的基础，也是“数字城市”或其相关工程开展的主要瓶颈之一。
As the foundation of "the digital city", the geo-spatial data sharing mechanism is one of the main bottlenecks of "digital city" or its associated works.
在对内核hook PE技术深入分析的基础上用NDIS - HOOK实现了对网络连接的监控和文件共享数据的加密传输。
According to the thorough analysis about the technology of HOOK PE, network connection monitoring and encryption transmission for the sharing data are realized with NDIS-HOOK.
空间数据交换标准是国家空间数据基础设施的一个重要组成部分，也是目前实现空间数据共享的一个必要手段。
Geo Spatial data Transfer Standard is an important part of "National Spatial data Infrastructure (NSDI)", as well as a necessary means for data sharing.
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