XIANRUJINCITIEZAIRICHANGSHENGHUODESHIJIYINGYONGZHONGHAISHIBIJIAOCHANGJIANDE。ZAISHICHANGSHANGCITIEYOUFENHENDUOZHONG，YOUNVTIEPENG、QIANGLICITIE、YONGCITIEDENGDENG，ZHEIXIEDOUSHIZAISHICHANGSHANGSUOCUNZAIDEYIXIECITIEZHONGLEI，CUNZAIJIUYIDINGSHIYOUYONGDE。XIANRUJINQIANGLICITIEDEXINGNENGHAISHIBIJIAOHAODE，ZAISHIJIYINGYONGZHONGHAISHIBIJIAOGUANGFANDEYIZHONGCITIE。NEIMEZAISHIYONGQIANGLICITIEDEGUOCHENGZHONGYAOZHUYIXIESHENMENI？

1. GONGZUOHUANJING

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2. SHINEIHUANJING

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山东11选5走势图ZHEIJIUSHIZAISHIYONGQIANGLICITIEDEGUOCHENGZHONGSUOXUYAOZHUYIDAODELIANGGEWENTI，HUANJINGDUIYUYIYANGCHANPINLAISHUOSHIHENZHONGYAODE，YOUQISHIXIANGQIANGLICITIEZHEIZHONGCILEIDECHANPINDUIYUHUANJINGDEHAOHUAIBIJIAOMINGAN，ZAIJIAOJIAHUANJINGXIAJINXINGSHIYONGNENGGOUYANZHANGQISHIYONGSHOUMING。

磁铁的另一个最基本的特性是产生磁场的特性。磁铁总会在其周围的空间产生磁场，磁铁产生的磁场是有方向性的。总是从N极出发，然后回到S极。在磁铁的内部也如此。磁铁的指向性，可以用根棉线把细小的磁铁悬挂在半空，使之能自由旋转。当停止的时后，它的两端分别指向南、北方向，指北方的叫北极，指南方的叫南极。钕铁硼永磁铁