"We have to try and test to find this optimisation of friction, of back-driveability," says David Kehr, president of humanoid robotics. "It's really a big puzzle."
'Extraordinary' scale
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很早以前就看过陈忠实的《白鹿原》了，当时没读太明白，只记得书很厚、人物很多、情节沉重。这次偶然在B站刷到有声书，就在打游戏的间隙又听了一遍，没想到，这本书在多年后重新进入我的生活，反而像打开了一扇更深的窗——风沙扑面，却真实得让人有点喘不过气来。
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