核心的瓶颈首先在于精度问题。目前技术虽然在不断进步，但在打印精细结构或大尺寸零件时，依然难以达到高精度装配所需的公差要求及优秀的表面质量要求，这直接导致了打印件难以直接作为最终功能部件使用。
So, how does OsmAnd use this structure to calculate your route at lightning speed? It's a multi-step process:。WPS官方版本下载对此有专业解读
Include verification results，详情可参考51吃瓜
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