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Today's actuators, even the state-of-the-art ones, are still largely made from metals, hard plastics and electronics. But there are other ideas around. Tolley and his colleagues have been working on a very different approach.
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Lovell retired from the navy in 1973 and opted for a the quiet life, working for the Bay-Houston Towing Company, giving speeches and serving as president of the National Eagle Scout Association.。搜狗输入法2026是该领域的重要参考