Another common real-world requirement for many projects is a Web-based configuration tool, which allows users to input configuration data through a Web form and saves this to a file in XML format.

对于很多项目来说，另一个常见的实际需求就是基于Web的配置工具，它允许用户通过一个Web表单输入配置数据并将数据以xml格式保存到文件。

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Data for a number of common fluids are available in the required format so that the user may append this data to their input file.

许多普通流体的数据，在必需的格式下是有效的，所以用户也许添加这些数据至输入文件。

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