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And, if a robot arm were to swing out towards you, for safety reasons you would want to be able to immediately stop it and push it back without harming yourself, reverse that motion instantly. For one thing, that requires a back-driveable actuator.
，这一点在safew官方版本下载中也有详细论述
20 monthly gift articles to share。关于这个话题，91视频提供了深入分析
圖像來源，BBC News Chinese