... Helicoid Inflorescence 螺形花序 ; 螺纹花序 helicoid surface 螺旋面 conic helicoid 圆锥螺旋体 ...
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The Offset Surface of Helicoid 螺旋曲面的等距曲面
The surface obtained when every point on the edge generates an involute is called an involute helicoid.
那表面获得当每一点在那之上边缘产生一纷乱的是呼叫一纷乱的螺旋状的。
It's introduced in this paper how to draw the engineering drawing of the plow surface formed by a combination of a oblique helicoid and a hyperboloid of one sheet.
本文介绍由斜螺旋面和单叶双曲面组成的犁面在犁面主参数确定后的工程作图法。
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