... s slide 移动缩放 surfaces and faces 曲面和表面 duplicate adj.复制的 n.复制品 vt.复写, 复制 reject 否定 拒绝 ...
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双曲曲面，即通常所称的负曲率，因为它的表面同时向上和向下弯曲，就像一个马鞍。
The hyperbolic surface, which has so-called negative curvature because its surface curves up and down at the same time, like a saddle.
试验结果表明，该算法可有效地提高自由曲面的加工效率和表面加工质量。
The experimental results show that the proposed algorithm can improve machining efficiency and surface quality.
对圆柱正截面和量块表面的测量试验验证了该测量系统对自由曲面和金属强反射表面测量的可行性。
Through measuring cylindrical section and surface of gauge block, this system is viable to measure free-form surface and high-reflective metallic surface.
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