在这个时候，拓扑学被称做位置几何学。
At this time the subject of topology was known as analysis situs.
在这个时候，拓扑学被称做位置几何学。
At is time the subject of topology was known as analysis situs.
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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