As you start to implement Web applications as true applications that require significant data manipulation, a rich client design can greatly improve user efficiency.

如果您开始作为需要大量数据处理的真正的应用程序实现Web应用程序，富客户机的设计可以极大提高用户效率。

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In this way, you can greatly improve performance and still prevent transmission of user IDs and passwords in clear text, thus preventing unauthorized access to the data.

通过这种方式可以极大地提高性能，并且可以防止用明文传输用户ID和密码，进而防止未授权的用户访问数据。

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You can use Flex to render the user interface of portlets, overcome the limitations of HTML, and greatly improve the user experience within a portal.

您可以使用 Flex 呈现 portlet 用户界面、克服 HTML 的限制和显著改善用户的门户体验。

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