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.
摘要介绍了自行车上使用的花鼓式发电机的演变过程，分析了所用
石，即铁氧体或钕铁硼的性能优劣，并进行了市场前景展望。
性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.
摘要介绍了自行车上使用的花鼓式发电机的演变过程，分析了所用石，即铁氧体或钕铁硼的性能优劣，并进行了市场前景展望。
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