In dimensioning a drawing, the Numbers placed in the dimension lines represent dimension that are only approximate and do not represent any degree of accuracy unless so stated by the designer.
在图纸标注尺寸时，除非设计者有意标明，注在尺寸线上的数字代表的尺寸仅仅是近似的，并不代表任何精度等级。
It guides the formation of the three-dimensional numerical bender's data and supplies a algorithm of checking the accuracy of the drawing through observation the three-dimensional virtual image.
提供了一种通过生成立体的三维虚拟图像来检查设计图纸准确性的计算方法。
To use AUTOLISP language organizes some common symbol suitable for mine map drawing, to raise accuracy and speed of drawing.
使用AUTOLISP语言编制一些适合绘制矿图通用符号，提高绘图的精度和速度。
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