因为整个应用都位于服务器之上，因此这样的服务器也被称作“应用程序服务器”或者“中间件”(参见图3)。

Since the entire application resides on the server, this server is also referred to as an application server or middleware (see Figure 3).

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无线中间件(应用程序服务器引擎)。

Wireless middleware (application server engine).

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这种设计模式在中间层中引入了一个应用程序服务器，中间层代理客户端和数据层之间的代理。

This design pattern introduces an application server in the middle tier which brokers connections between clients and the data tier.

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