And so Bruton came up with an intricate system of motors and gears, to function as servos, moving parts whose position can be monitored and controlled.
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圖像加註文字,格蕾絲·貝爾和史蒂文·鮑威爾帶著他們的兒子雨果Article InformationAuthor, 菲莉帕·羅克斯比(Philippa Roxby)
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