用户界面与多媒体技术 user interface and multimedia technology
本实用新型涉及一种用球和多面体堆积造型的城市垃圾箱，属于环卫技术 领域。
The utility model relates to an urban garbage can shaped by the stacking of spheres and polyhedrons, which belongs to the technical field of sanitation.
通过研究三角形多面体模型节点偏导数的计算方法，对目标函数进行线性化处理，形成了计算机自动迭代修改模型体的技术。
By researching the partial derivative calculation of model vertex and linearity treating field function using Taylor series, the 3D models can be changed via automatic optimization;
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