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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=57" 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=54876&size=small" /></div> <h1 class="ph">从宇宙中观察的北京天津夜景图 </h1> <p class="xg1"> 时间：2010-12-30 16:12<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1338)</em> 评论: 0</p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=57" 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>美国宇航局网站12月27日公布了一张由国际空间站宇航局拍摄的太空照片，主要展现了中国两座人口最多的城市北京与天津的夜景，这两座城市都位于华北地区、渤海湾附近。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><P>北京时间12月28日消息，美国宇航局网站12月27日公布了一张由国际空间站宇航局拍摄的太空照片，主要展现了中国两座人口最多的城市北京与天津的夜景，这两座城市都位于华北地区、渤海湾附近。<BR> <BR>据联合国估计，2010年北京城区人口大概为1200万，天津人口超过700万。位于北京和天津之间的廊坊市以及华北平原东北部几个规模更小的开发区在照片上同样清晰可见。图中没有亮光的区域主要是农田，小麦和玉米是主要农作物。<BR> <BR>在照片左上角，可以清楚地看到北京的输电网络。随着城区不断扩张，北京环路主干道也跟着向外扩展。天津是重要的贸易中心，与渤海湾沿岸的海港连成一片。这座城市处于京杭大运河沿线。京杭大运河是一条重要的人工河道，北起北京，南至浙江杭州，全长1103英里(约合1176公里)。</P> <P><A href="http://www.oecr.com/data/attachment/portal/201012/30/1611167wlurymu7dkuraya.jpg" target=_blank><IMG src="http://www.oecr.com/data/attachment/portal/201012/30/1611167wlurymu7dkuraya.jpg"></A></P> <P>宇航员从太空拍到华北地区夜景图<BR> <BR>这张照片是由国际空间站第26长期考察组成员在2010年12月14日拍摄的。他们在拍照时，国际空间站正在韩国西部海岸附近的黄海上空飞行，离地大概391英里(约合630公里)。城区图像之所以看上去给人扁平的感觉，这是国际空间站的视角和距离的缘故。城市<a href="http://light.oecr.com" target="_blank" class="relatedlink">照明</a>分布非常清楚，表明该地区当时几乎没有云或雾霾。</P></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=1449&hash=ca3150b51b331fedf341db49a7c70a25&handlekey=clickhandle" id="click_aid_1449_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=1449&hash=ca3150b51b331fedf341db49a7c70a25&handlekey=clickhandle" id="click_aid_1449_2" onclick="showWindow(this.id, this.href);doane(event);"> <div class="atdc"> <div class="ac4" style="height:50px;"> <em>3</em> </div> </div> <img 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