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.
FT Digital Edition: our digitised print edition
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1967年出生的姚雄杰，与后来名震互联网界的张一鸣、王兴同乡，但他的创业轨迹却截然不同。上世纪八十年代初，姚雄杰还在深圳国贸中心摄影器材公司谋生，从最基层做起。，这一点在同城约会中也有详细论述
If you're looking for more puzzles, Mashable's got games now! Check out our games hub for Mahjong, Sudoku, free crossword, and more.。关于这个话题，同城约会提供了深入分析
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