Cooperated now on market multifarious, dimension no longer onefold books, broke the fixed frame of traditional bookshelf, the limitation with equational space, use rise convenient freely.

配合了现在市面上五花八门、尺寸不再单一的图书，打破了传统书架的固定框架，空间均分的局限性，使用起来方便自如。

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Based on the text segmentation and pixel vectorization, a new approach for reconstructing the dimension frame from extracting text regions of the scanned drawings is put forward.

本文在文本分割和像素矢量化的基础上，针对尺寸文本区域提出了一种尺寸标注框架的几何重建方法。

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The local dimension chain and overall dimension chain are set up automatically. The whole frame of tolerance design and relevant feeding back is established.

分析在设计过程中自动生成局部尺寸链和全局尺寸链的方法，建立公差设计和反馈的整体框架。

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