相比之下，长期运行的对话能够在一系列明确定义的请求期间保持作用域中的变量。

In comparison, a long-running conversation holds variables in scope over a well-defined series of requests.

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使用长期运行的对话，允许变量保持作用域直至对话结束，而不仅仅是单个请求。

Using a long-running conversation allows variables to remain in scope until the end of the conversation, instead of merely for a single request.

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为了在 图28所示对话框的Class path部分添加一个恰当的JAR，首先点击Remove按钮移除环境变量条目。

To add the correct JARs in the Class path section of the dialog box shown in Figure 28, first click Remove to remove the environment variable entries.

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