This system realizes communication, position, warning and center database searching function.
实现了实时通信、定位、报警以及监控中心信息查询等功能。
The remote users can take distributed operation on the replicas, then cut down the load of network and center database server.
使远程用户能在本地引用复制的数据完成分布式操作，减少网络和中心数据库服务器的负载。
The virtual antenna-manufacturing system reduces it to much regular object and obtains their characteristic parameter to keep it in the center database.
面天线虚拟制造系统把设计的面天线结构分解成许多规则的结构，并获取它们特征属性参数存入中央数据库中。
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