为获取灵活的曲面编辑能力，设计了一种基于超二次曲面的约束变形算法。
To achieve a flexiblecapability for surface editing, a superquadric-based general constrained deformationalgorithm is designed.
锅炉各部件及相互之间有一定的膨胀间隙，可防止受热面由于膨胀受约束而变形。
There is certain expansion clearance between different parts of boiler and one another which can prevent deformation of heated surface due to restrained expansion.
提出了一个基于局部约束的图像变形算法。
An algorithm for image warping with local constraints is presented.
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