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三维模型使我们能在计算机中立体呈现现实世界,各领域纷纷采用3D展示技术,展现出强大应用潜力。由于不同软件使用各自特有的模型格式,为便于数据交换,发展出STEP、IGS等通用中间格式,同时3D打印常用STL等格式,这类文件更接近于点云数据的表达方式。
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