实际的实现相当简单；我现有的guide xml语法要求每个文档都是单一主元素的一部分。

The actual implementation is quite easy; my existing guide XML syntax requires that every document be part of a single master element.

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本文旨在研究部分主微量元素在高铝粉煤灰中的分布规律，从而为其资源化利用提供科学依据。

The aim of this paper is to study the distribution of some major and trace elements in high alumina fly ashes, which can provide the direction for the utilization of this kind of fly ash.

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由于此次设计的特殊性，这部分只介绍了六个基本元素：标题栏、菜单栏、工具栏、最大化、最小化、还原和关闭窗口、主窗口、状态栏。

As the special nature of this design, this part only on the six basic elements: the title bar, menu bar, toolbar, maximize, minimize, restore and close the window, the main window, the status bar.

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