| 《画法几何》中"关于求立体表面点投影"的几点思考 |
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| 引用本文： | 钟双连.《画法几何》中"关于求立体表面点投影"的几点思考[J].机电产品开发与创新,2011,24(3):200-202. |
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| 作者姓名： | 钟双连 |
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| 作者单位： | 湛江师范学院,广东,湛江,524048 |
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| 摘 要： | 立体表面上点的投影对于学习<画法几何>有着举足轻重的地位.空间立体中两线、三面交于一点,求立体的截交线和相贯线都是先求立体表面上的点,然后通过点连线求得.本文通过具体的例子列举出在求解立体表面上点问题并较易出错的地方,并总结出求解立体表面点的方法.
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| 关 键 词： | 点的投影 平行法 素线法 平面立体 曲面立体 |
Three-dimensional Surface Point on the Demand Projection |
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| ZHONG Shuang-Lian.Three-dimensional Surface Point on the Demand Projection[J].Development & Innovation of Machinery & Electrical Products,2011,24(3):200-202. |
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| Authors: | ZHONG Shuang-Lian |
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| Affiliation: | ZHONG Shuang-Lian(Zhanjiang Normal University,Zhanjiang Guangdong 524048,China) |
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| Abstract: | The three-dimensional projection of the surface point for learning,＇Geometry＇ has a pivotal position.Three-dimensional space in two lines,three face to face at one point,find the intersecting lines and three-dimensional intersection are seeking three-dimensional surface of the first point,then the connection obtained through the point.This article lists the specific example of three-dimensional surface point in solving the issue of error-prone areas,and summed up the method for solving three-dimensional surface points. |
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| Keywords: | point of projection parallel to the law plain wire flat three-dimensional curved surface |
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