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磁鐵極性問(wèn)題,,困擾已久,,求大神解惑 |
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點(diǎn)評(píng)
問(wèn)題已在17樓解決,,很簡(jiǎn)單的物理現(xiàn)象,,只是我忽略了磁鐵的極性位置,謝謝關(guān)注
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點(diǎn)評(píng)
大俠說(shuō)的是�,,F(xiàn)在討論的結(jié)果我已經(jīng)滿足了,可以用最基本的知識(shí)解決問(wèn)題,,不會(huì)對(duì)課本上的理論產(chǎn)生懷疑,。
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