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id="recommendv_add">0</span></i></a> <a id="recommend_subtract" href="forum.php?mod=misc&action=recommend&do=subtract&tid=295787&hash=cb1da501" onclick="showWindow('login', this.href)" onmouseover="this.title = $('recommendv_subtract').innerHTML + ' 人反对'"><i><img src="static/image/common/rec_subtract.gif" alt="反对" />反对<span id="recommendv_subtract">0</span></i></a> </div> </td> <td valign="top" class="album_side_r"> <div class="album_side"> <div class="hm mtn mbn"> <a href="http://club.oecr.com/space-uid-162865.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=162865&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-162865.html">gurun01</a> </span> </div> <div class="date"><span>发布时间:</span> 2016-4-21 11:20</div> <div class="album_info"> <h3>正文摘要: </h3> <p> 本帖最后由 gurun01 于 2016-4-21 11:28 编辑 简介 噪音是指穿透空气或者其他气体的压力差。声音是听觉范围内的声能量，如声波能量可以被听到。 声源 ...</p> </div> </div> </td> </tr> </table> </div> </div> <div class="bm vw pl" id="comment"> <div class="bm_h cl"> <h2>回复</h2> </div> <div class="bm_c"> <div id="postlistreply" class="xld xlda mbm"><div id="post_new" class="viewthread_table" style="display: none"></div></div><div id="post_1185548" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-162945.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=162945&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-162945.html" target="_blank" class="xi2">kuosj</a><em id="author_1185548"> 发表于</em> <span class="xg1 xw0">2016-5-6 17:10:37</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1185548"> <img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /></td></tr></table> </div> <div id="comment_1185548" class="cm"> </div> <div id="post_rate_div_1185548"></div> </div> </dd> </dl> </div> <div id="post_1185162" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-162865.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=162865&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-162865.html" target="_blank" class="xi2">gurun01</a><em id="author_1185162"> 发表于</em> <span class="xg1 xw0">2016-4-28 10:48:39</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1185162"> <div class="quote"><blockquote><font size="2"><a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=1184950&ptid=295787" target="_blank"><font color="#999999">hee_csu 发表于 2016-4-23 14:34</font></a></font><br /> 好高端，学好一定有用。</blockquote></div><br /> 一个科研机构，实验会用得到，毕竟对环境的要求较高<br /> </td></tr></table> </div> <div id="comment_1185162" class="cm"> </div> <div id="post_rate_div_1185162"></div> </div> </dd> </dl> </div> <div id="post_1184950" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-77711.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=77711&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-77711.html" target="_blank" class="xi2">hee_csu</a><em id="author_1184950"> 发表于</em> <span class="xg1 xw0">2016-4-23 14:34:57</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1184950"> 好高端，学好一定有用。<img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /></td></tr></table> </div> <div id="comment_1184950" class="cm"> </div> <div id="post_rate_div_1184950"></div> </div> </dd> </dl> </div> <div id="post_1184921" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-162865.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=162865&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-162865.html" target="_blank" class="xi2">gurun01</a><em id="author_1184921"> 发表于</em> <span class="xg1 xw0">2016-4-22 16:31:10</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1184921"> <div class="quote"><blockquote><font size="2"><a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=1184890&ptid=295787" target="_blank"><font color="#999999">孤独的心 发表于 2016-4-21 19:59</font></a></font><br /> 好高端用不上 哈哈哈</blockquote></div><br /> 呵呵，怎么会用不上呢，在一些要求精度很高的实验以及测量上，就会用到，对于隔音能起到很大的作用，也会让你的成果更有说服力和准确<br /> </td></tr></table> </div> <div id="comment_1184921" class="cm"> </div> <div id="post_rate_div_1184921"></div> </div> </dd> </dl> </div> <div id="post_1184890" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-140741.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=140741&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-140741.html" target="_blank" class="xi2">孤独的心</a><em id="author_1184890"> 发表于</em> <span class="xg1 xw0">2016-4-21 19:59:23</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1184890"> 好高端用不上 哈哈哈<img src="static/image/smiley/Tiger/02.gif" smilieid="140" border="0" alt="" /></td></tr></table> </div> <div id="comment_1184890" class="cm"> </div> <div id="post_rate_div_1184890"></div> </div> </dd> </dl> </div> </div> </div> </div> <script type="text/javascript"> new lazyload(); </script> <div class="wp mtn"> <!--[diy=diy3]--><div id="diy3" class="area"></div><!--[/diy]--> </div></div> </div> <!--autocomment filter by maxnum--> <div class="ft_wp"> <div id="ft" class=" cl"> <div id="flk" > <p> <a href="http://wpa.qq.com/msgrd?V=3&Uin=20600600&Site=光电工程师社区&Menu=yes&from=discuz" target="_blank" title="QQ"><img src="static/image/common/site_qq.jpg" alt="QQ" /></a><span 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