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'true');</script><div><br></div><div>介绍电介质的概念，用模拟实验演示在一定条件下，绝缘体会变成导体；讲解电介质极化和对电场的影响，介绍电介质在电容等方面的应用（如增加电容、监控等）。从磁介质的磁化讲解磁介质的性能，特别是铁磁介质，延伸到应用（如电磁炉）。用模拟实验演示在一定条件下，铁磁质也会变成顺磁质。通过对<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电路</a>通断电实验，观察自感现象和互感现象。</div></td></tr></table> <!--[diy=diycontentbottom]--><div id="diycontentbottom" class="area"></div><!--[/diy]--> <script src="data/cache/home.js?eOg" type="text/javascript"></script> <div id="click_div"><table cellpadding="0" cellspacing="0" class="atd"> <tr><td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=1&idtype=aid&id=3462&hash=21bc6d17792a9444647b2d3a042473c2&handlekey=clickhandle" id="click_aid_3462_1" onclick="showWindow(this.id, this.href);doane(event);"> <img src="static/image/click/jidan.gif" alt="" /><br />鸡蛋</a> </td> <td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=2&idtype=aid&id=3462&hash=21bc6d17792a9444647b2d3a042473c2&handlekey=clickhandle" 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c="1">hsh2006</a> <span class="xg1 xw0">2015-7-26 20:41</span> </dt> <dd>没人回帖。。。我来个吧</dd> </dl><a name="comment_anchor_1226"></a> <dl id="comment_1226_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(1226, '3462');">引用</a> </span> <a href="http://club.oecr.com/space-uid-21666.html" class="xi2 xw1" c="1">wutao8818</a> <span class="xg1 xw0">2015-7-26 07:11</span> </dt> <dd>站位支持</dd> </dl><a name="comment_anchor_1041"></a> <dl id="comment_1041_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(1041, '3462');">引用</a> </span> <a href="http://club.oecr.com/space-uid-79421.html" class="xi2 xw1" c="1">xiongbo</a> <span class="xg1 xw0">2015-7-22 12:36</span> </dt> <dd>手机看文章很安逸，推荐大家使用手机客户端啊。</dd> </dl><a name="comment_anchor_974"></a> <dl id="comment_974_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" 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