As he scoured Europe to find parts last year, German entrepreneur Florian Simmendinger was able only to locate a handful of motors small enough for the wearable, smartphone-controlled metronome he was building to help musicians keep the beat — and even they were too weak.
去年遍访欧洲寻找元件时，德国企业家弗洛里安•西蒙丁格(Florian Simmendinger)只能找到为数不多的几款足够小的马达，可以装入他为帮助音乐家保持节拍而打造的、用智能手机控制的可穿戴式节拍器中——而且这些马达的振动效果太弱了。
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