Three approaches to the graphic representation for lines of intersection are introduced in this article, namely, central projection, parallel skew projection and arc line projection.
本文介绍了图解截交线的三种方法，中心投射法、平行斜投射法、弧线投射法。
Three approaches to the graphic representation for lines of intersection are introduced in this article, namely, central projection, parallel skew projection and arc line projection.
本文介绍了图解截交线的三种方法，中心投射法、平行斜投射法、弧线投射法。
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