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The team made a computer program that converts a 3D model into the flat, grid-like version, to which a pull-cord is attached. The work was described in a paper published in December.
，详情可参考PDF资料
——张巧良代表（山东康桥律师事务所首席合伙人），详情可参考PDF资料
Weekend commits +45% longer lifetimes。关于这个话题，纸飞机官网提供了深入分析