This paper describes a programming method for plotting section lines in the assembly drawing.

本文介绍了在装配图中绘制剖面线的程序设计。

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To draw the section lines by turning back the ends' coordinates of the segments of the lines to be drawn.

将要画的线段端点坐标旋转还原，画出剖面线。

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Now available programme of section lines needs input of boundary parameter and is not convenient in operating.

现有的剖面线程序都需要输入边界参数，使用起来不方便。

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On September 18, 1931 an explosion destroyed a section of Japanese owned rail lines outside the city of Mukden (Shenyang).

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The small section of high-speed track will be connected at both ends to existing lines used by Amtrak, the government-owned passenger railway.

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For an example of a sale of a membership interest in an S corporation with multiple lines of business requiring the allocation of goodwill, see Proposed Regulation Section 1.1411-7(e), Example 8.

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