Schey added, ‘We also have a customised control system designed to operate two motors instead of one.

Schey补充：“我们也度身订造的控制系统，可以操纵两个电机而不是一个。

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Schey added, 'We also have a customised control system designed to operate two motors instead of one.

Schey补充：“我们也度身订造的控制系统，可以操纵两个电机而不是一个。”

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The radical new design, Schey said, also allows them to make efficiency gains by removing the need for a gearbox.

这个激进的新设计，Schey说，也允许他们能从移除变速箱中获得好处。

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"We are coming to appreciate the fact that people who remain physically active are less likely to show cognitive decline, " said Stephen Rao, the director of the Cleveland Clinic Schey Center for Cognitive Neuroimaging.

WSJ: Exercise Might Beat Puzzles for Protecting the Aging Brain