Evolving process of hub dynamo which used in bicycle is presented. The performance of magnetite viz. ferrimagnetism or NdFeB is analyzed. The prospect of marketing is viewed.
摘要介绍了自行
用的花鼓式发电机的演变过程，
析了所用磁石，即铁氧体或钕铁硼的性能
劣，并进行了市场前景展望。
Evolving process of hub dynamo which used in bicycle is presented. The performance of magnetite viz. ferrimagnetism or NdFeB is analyzed. The prospect of marketing is viewed.
摘要介绍了自行用的花鼓式发电机的演变过程，析了所用磁石，即铁氧体或钕铁硼的性能劣，并进行了市场前景展望。
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