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.
注意，日志缓冲区位于数据库的共享内存中，这种机制确保每个事务被记录到日志文件中。
What essentially we can get away with is that log buffer located in database shared memory is the mechanism provided to ensure each transaction is logged to log files.
简单介绍新闻直播系统中字幕机的接入方法、备份机制、数据共享以及应急处理方案。
This paper simply introduced the connecting method, the backup mechanism, data sharing and the emergency processing plan of the character-generator in live news system.
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