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.
Peter GillibrandBBC Newsbeat
，详情可参考搜狗输入法2026
// Flush: finalize compression
algorithm to calculate an "intermediate PIN" from it. The "intermediate pin"
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