单词：annular magnet
annular magnet的用法和样例：
例句
- Commutation of the motor is achieved by use of a single Hall element sensor to detect the rotational position of an alternating-pole ring magnet.电动机整流可通过使用单个霍尔元件传感器侦测极性交互环形磁铁的旋转位置来实现。
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