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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=58" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=87861&size=small" /></div> <h1 class="ph">日本制成世界上刻度最小的标尺 </h1> <p class="xg1"> 时间：2009-4-20 09:50<a class="zz" href="home.php?mod=space&uid=87861">作者：信息发布员</a> 阅读<em id="_viewnum">(1545)</em> 评论: 0</p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=58" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>日本产业技术综合研究所最近制成最小刻度为0.2纳米的钻石标尺，可以测量的距离小到不到头发丝直径的十万分之一，这也是目前世界上刻度最小的标尺。</div> </div> 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