樓主: gemiusunyi
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擦窗神器磁鐵陣列和單面屏蔽問題 |
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點評
間距加大磁性只能變小,力與距離的平方成反比,磁鐵間塑料片是非鐵磁性物質(zhì),其磁導(dǎo)率接近1,除了增大了間距外,對磁性沒有任何影響
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