In the detection of lines in engineering drawing vectorization, the method of best coinciding was adopted to attain the according standard line equation.
对工程图纸矢量化中线条的检测，采用最佳拟合的方法，得到了线条对应的标准直线方程。
It will be significant to the drawing of mechanical patterns if we design a kind of practical, convenient drawing method of a section line which can be easily mastered and operated.
设计一种方便、实用且易于掌握和操作的剖面线绘制方法，对机械图样的绘制具有重要意义。
So the strain modal broken line drawing method is presented for determning the location of the crack on a structure.
从而提出了应用应变模态折线图来估计梁结构上裂纹位置的方法。
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