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Susan STEM
@feltanimalworld
the Entropy Control Theory : Language as system design, system is larger than the model. 又闭关了,可私信留言。
加入 August 2016
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注塑的tolerance有多难调?当然,3D打印的tolerance也是个谜。这0 tolerance, 原本准备橡皮锤子敲进去,居然如此顺滑。