These services are middleware for integration between client and server components.

这些服务是用于客户端和服务器组件集成的中间件。

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The core of the Data synchronization Middleware scheme is a synchronization model, which consists of a server-side Data synchronization Service and a client-side Data synchronization Engine.

数据同步中间件方案的核心是同步模型，同步模型由服务器端的数据同步服务和客户端的数据同步引擎组成。

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The core of the Data synchronization Middleware scheme is a synchronization model, which consists of a server-side Data synchronization Service and a client-side Data synchronization Engine.

数据同步中间件方案的核心是同步模型，同步模型由服务器端的数据同步服务和客户端的数据同步引擎组成。

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