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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.。关于这个话题，Line官方版本下载提供了深入分析
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In the world of highly-polished content on social media sites such as Instagram and as content feels increasingly automated, "people look for signals of lived experience, disagreement and nuance", says Oc.