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 remote users can take distributed operation on the replicas, then cut down the load of network and center database server.
服务器端的设计包括建立中心数据库，开发了同步服务程序，它负责处理客户端请求及同步双方数据。
In server side, the author creates center database and develop synchronization server program which takes charge of dealing with client request and synchronizing data between client and server.
服务器端的设计包括建立中心数据库，开发了同步服务程序，它负责处理客户端请求及同步双方数据。
In server side, the author creates center database and develop synchronization server program which takes charge of dealing with client request and synchronizing data between client and server.
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