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d.innerHTML = d.innerHTML + '<a class=\"download_word download_word_lb\" href=\"javascript:;\" id=\"vipdown\" onclick=\"showpay(1)\"><em></em>下载文档(未登录)人教版九年级物理磁现象知识点描述：当两块磁铁或磁石相互吸引或排斥时，或当载流导线在周围产生磁场，促使磁针偏转指向，或当闭电路移动于不均匀磁场时，会有电流出现于闭电路，这些都是与磁有关的现象。下面是小编整理的人教版九年级物理磁现象知识点，仅供参考希望能够帮助到大家。人教版九年</a>';
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