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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南方周末：你提到录音室和现场的区别，在录制这套即兴曲时，是一次性完整录完，还是录了多次之后再进行选择和剪辑？
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