注释，文本，几何形状以及其他的图表位置注释。
Comments, text, geometric shapes and other diagram-local annotations.
通过分析mcnp中子学模型文本描述和构造立体几何表示法的关系，指出从构造立体几何表示法到CAD模型的转换是MCNP中子学模型可视化的关键所在。
Analysis on the relationship between the text description of MCNP neutronics model and the CSG shows that the conversion from CSG to CAD model is the key issue of the visualization.
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。
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.
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