Bullet Magnet Separator 永磁筒
bullet magnet
子弹磁铁
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The bullet has a small magnet inside that lets it generate AC current as it spins and a microprocessor that measures those current oscillations to derive how far it's traveled.
子弹藏有一块小磁铁和一颗芯片,子弹旋转带动小磁铁产生直流电,芯片通过电流波动感知射程的远近。
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