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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\">感知层的功能</h4><div class=\"download_card_msg\">3.2　感知互动层 
&ensp;&ensp;&ensp;&ensp;物联网与传统网络的主要区别在于，物联网扩大了传统网络的通信范围，即物联网不仅仅局限于人与人之间的通信，还扩展到人与物、物与物之间的通信。在物联网具体实现过程中，如何完成对。下面小编给大家分享感知层的功能，希望能帮助到大家。 感知层的功能文档下载网址链接：</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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