Любовь Ширижик (Старший редактор отдела «Силовые структуры»)
面对海南自由贸易港即将实施封关运作，习近平总书记叮嘱：“脚要踩在大地上。我们干任何事情都有内在规律。要科学有序安排开放节奏和进度，稳扎稳打、步步为营，力求‘放得活’又‘管得好’。”
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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.
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