这些旋转电机形似自行车车轮(见下图)，辐条换成了黑色电活性聚合物薄片。
These rotary motors (see picture) resemble bicycle wheels that have had their spokes replaced with thin, black slivers of EAP.
我以前见过一些无轮毂概念自行车，但是这款突触自行车更进了一步，它集成电机从而是一台电动自行车。
I've seen a handful of hubless concept bikes but the Synapse bike goes one further with integrated electric motors to assist the rider.
在世界的一些地方，骑自行车的人已经通过叫自行车发电机的装置产生了多年的安全电能。当自行车车轮转动的时候一个装在上面的发电机就会产生交流电。
In some parts of the world, cyclists have been powering safety lights for years with devices called bicycle dynamos, which use a generator to create alternating current with every turn of the wheels.
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