画法几何学中的难点之一是求解两一般位置二次曲面的交线。
One of difficulties in descriptive geometry theories is to draw the intersection created by two general position intersecting quadric surfaces.
抽象的复合几何学表面是在电脑上用可以控制和改变的CNC面板创作的，他们的确切位置由3D组装控制。
The abstract multi-dimensional surface generated by the computer is decomposed into workable and controllable CNC panels; their exact position controls the 3d assembly.
抽象的复合几何学表面是在电脑上用可以控制和改变的CNC面板创作的，他们的确切位置由3D组装控制。
The abstract multi-dimensional surface generated by the computer is decomposed into workable and controllable CNC panels; their exact position controls the 3d assembly.
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