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。
FOLLOW US ON TWITTER。WPS下载最新地址是该领域的重要参考
The image comes from a 1997 episode of the Pokémon anime, but it didn't become a viral reaction image until 2018, according to Know Your Meme, when fans began pairing Pikachu’s blank, open-mouthed stare with captions describing obviously avoidable outcomes. It quickly became a universal punchline, transcending Pokémon entirely. Today, Surprised Pikachu isn't just a Pokémon meme. It's internet shorthand.，详情可参考夫子
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