He has a bicycle with lights powered by a dynamo.
他自
车上
灯由
电机提供能源。
)
电机He has a bicycle with lights powered by a dynamo.
他自车上灯由电机提供能源。
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
自车上使用花鼓式电机演变过程，分析所用磁石，即铁氧体或钕铁硼性能优劣，并进
场前景展望。
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