The graph of relation between inherent frequency of internal spur gear and its structure parameters are obtained.

该方法是分析齿轮的固有频率相对齿轮结构参数的变化率。

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The thesis introduces operation principle of touch panel, basic idea of screen design of touch panel, graph of relation of screen switching, and the function of screens. The main screens are provided.

论文介绍了触摸屏的工作原理、触摸屏画面设计的基本思路、画面切换关系图和各画面的功能，并给出了主要的画面。

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Using serialized file organizes graph data, and using relation database manage property data and linking data of graph and property data.

即图形数据由序列化的文件管理，属性数据及图形和属性数据的连接数据采用关系数据库管理。

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