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.
Фото: Игорь Иванко / Коммерсантъ
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（十二）将在办理治安案件过程中获得的个人信息，依法提取、采集的相关信息、样本用于与治安管理、查处犯罪无关的用途，或者出售、提供给其他单位或者个人的；
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
Владислав Уткин