在为应用程序建立历史堆栈的过程中，我们将依靠客户端技术，并将其直接与第1部分的代码结合在一起。

In building a history stack for the application, we will rely on client-side technologies and integrate directly into the code from Part 1.

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具有一定历史的应用程序更难于更改。

Applications with a history are more difficult to change.

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GIG用户可以发布和检索信息并进行实时决策，而不是依赖于多个自动信息系统应用程序提供的历史信息。

GIG users can post and retrieve information and make real-time decisions rather than relying on historical information from multiple automated information systems applications.

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