At present, how to constitute the last 3d free-form surface model rapidly is one of the important subjects about the last design and the sole mould manufacture.

目前，如何快速建立鞋楦3d自由曲面模型是鞋楦设计制作及鞋底模具制作的重要课题之一。

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This paper presents a new discrete model of NC path generation for free form surface machining.

提出一个面向曲面nc加工刀位计算的曲面离散基本单元模型及其误差控制方法。

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The interpolation face of coal seams is trimmed by boundary and the closed polygons of up and down faulted blocks to form the deposit interface model. The earths surface model is founded.

地质界面模型是由煤层的顶底板插值曲面经煤层边界和断层曲面裁剪而成的，地表面模型是对原始地表数据和矿坑数据进行三角剖分得到的三角形网格。

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While inheriting the sleek curved body design of the original model, the form factor of the new PS3 system features a new meticulous design with textured surface finish, giving an all new impression and a casual look.

ENGADGET: Sony unveils slimmer PS3: $300, lands in September (updated!)