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d.innerHTML = d.innerHTML + '<a class=\"download_word download_word_lb\" href=\"javascript:;\" id=\"vipdown\" onclick=\"showpay(2)\"><div class=\"download_card\"><div class=\"card_nr card_nr_lb\"><h4 class=\"card_bt\">物理九年级上册欧姆定律知识点总结</h4><div class=\"download_card_msg\">欧姆定律是指在同一电路中，通过某段导体的电流跟这段导体两端的电压成正比，跟这段导体的电阻成反比。下面是小编整理的物理九年级上册欧姆定律知识点总结，仅供参考希望能够帮助到大家。物理九年级上册欧姆定律知识点总结1. I=U/R(欧姆定律:导体中。下面小编给大家分享物理九年级上册欧姆定律知识点总结，希望能帮助到大家。 物理九年级上册欧姆定律知识点总结文档下载网址链接：</div></div><div class=\"download_card_btn download_card_btn_lb\"><div class=\"content_box_tj\"><span>推荐度：</span><img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\"></div><div class=\"downlod_btn_right demo_tc downlod_btn_right_lb\"><em class=\"downlod_icon\"></em>点击下载文档<span>文档为doc格式</span></div> </div></div></a>';
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