The business data information is maintained and manipulated intact in both the application and database layers, and as you will see in Part 3, even in the client layer.

在应用程序层和数据库层中都按原样维护和操作业务数据信息，而且您将第3部分中看到，甚至在客户机层中也是如此。

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These merge files contain some of the configuration information for the Web application layer.

这些合并文件包含 Web 应用程序层的一些配置信息。

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Instead, your programmers should store this information in the session layer of your Web application server or in a cookie.

程序员应该将这一信息存储在Web应用服务器的会话层或者cookie中。

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The application-layer FIX (financial information exchange) protocol is used by financial services firms, stock exchanges, and investment banks for automated financial trading.

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Google Goggle is an "augmented reality" application, which allows users to layer information about the world around them onto a smart phone display.

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