徐小湛的博客

高等数学课件、函数图形动画、数学软件应用

日志

关于我

calculus

文章分类

直纹面

2009-03-14 23:54:16| 分类：高等数学图形动画 | 标签： |举报 |字号大中小订阅

下载LOFTER 我的照片书 |

所有图形见：数学图形目录

直纹面（Ruled surface）就是由一族直线铺成的曲面。

常见的直纹面有平面、柱面、锥面、单叶双曲面、双曲抛物面（马鞍面）、空间曲线的切线曲面等等。

直纹面：椭圆柱面---->单叶双曲面---->椭圆锥面

直纹面被广泛地用于大型建筑，正在修建的广州电视塔就是一个典型的直纹面结构。

返回：数学图形目录

评论这张

转发至微博

阅读(7604)| 评论(0)

历史上的今天

this.p={  m:2,
              b:2,
              loftPermalink:'',
              id:'fks_085074083084085075081084094095086083080064085095087069',
              blogTitle:'直纹面',
              blogAbstract:'<P align=\"center\" \><FONT size=\"5\" \> </FONT\></P\>  <DIV\>  <DIV style=\"TEXT-ALIGN: center; mso-char-wrap: 1; mso-kinsoku-overflow: 1; mso-line-spacing: \'100 50 0\';\"  \><STRONG\><SPAN style=\"FONT-SIZE: 12pt; COLOR: #ff3300; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: Arial; mso-fareast-font-family: 楷体_GB2312;\"  \>所有图形见</SPAN\><SPAN style=\"FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: Arial; mso-fareast-font-family: 楷体_GB2312;\"  \>：</SPAN\><SPAN style=\"FONT-SIZE: 12pt; FONT-FAMILY: 楷体_GB2312; mso-hansi-font-family: Arial; mso-fareast-font-family: 楷体_GB2312;\"  \><A target=\"_parent\" href=\"http://xuxzmail.blog.163.com/blog/static/251319162009614101444586/\" \>数学图形目录</A\></SPAN\><SPAN style=\"FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: Arial; mso-fareast-font-family: 宋体;\"  \> </SPAN\></STRONG\></DIV\></DIV\>',
              blogTag:'单叶双曲面,高等数学,直纹面,曲面,空间解析几何,微积分',
              blogUrl:'blog/static/251319162009214115416640',
              isPublished:1,
              istop:false,
              type:0,
              modifyTime:1316997834604,
              publishTime:1237046056640,
              permalink:'blog/static/251319162009214115416640',
              commentCount:0,
              mainCommentCount:0,
              recommendCount:0,
              bsrk:-100,
              publisherId:0,
              recomBlogHome:false,
              currentRecomBlog:false,
              attachmentsFileIds:[],
              vote:{},
              groupInfo:{},
              friendstatus:'none',
              followstatus:'unFollow',
              pubSucc:'',
              visitorProvince:'',
              visitorCity:'',
              visitorNewUser:false,
              postAddInfo:{},
              mset:'000',
              mcon:'',
              srk:-100,
              remindgoodnightblog:false,
              isBlackVisitor:false,
              isShowYodaoAd:true,
              hostIntro:'',
              hmcon:'1',
              selfRecomBlogCount:'0',
              lofter_single:'<iframe width="140" height="560" style="overflow:hidden;" src="http://www.lofter.com/mailEntry.do?blogad=1&blog" frameBorder="0"></iframe>'
            }

{list a as x}
    {if !!x}
    <div class="iblock nbw-fce nbw-f40">
      <a class="fc03 noul" target="_blank" hidefocus="true" href="http://blog.163.com/${x.visitorName}/">
      {if x.visitorName==visitor.userName}
      <img alt="${x.visitorNickname|escape}" onerror="this.src=location.f40" class="cwd bdwa bdc0" src="${fn1(x.visitorName)}&r=${visitor.imageUpdateTime}"/>
      {else}
      <img alt="${x.visitorNickname|escape}" onerror="this.src=location.f40" class="cwd bdwa bdc0" src="${fn1(x.visitorName)}"/>
      {/if}
      </a>
      <div class="cwd vname thide">
        {if x.moveFrom=='wap'}
          <a class="noul pnt" target="_blank" href="http://blog.163.com/services/wapblog.html?frompersonalbloghome"><span title="来自网易手机博客" class="iblock wapIcon"> </span></a>
        {elseif x.moveFrom=='iphone'}
          <a class="noul pnt" target="_blank"><span title="来自iPhone客户端" class="iblock iphoneIcon"> </span></a>
        {elseif x.moveFrom=='android'}
          <a class="noul pnt" target="_blank"><span title="来自Android客户端" class="iblock androidIcon"> </span></a>
        {elseif x.moveFrom=='mobile'}
          <a class="noul pnt" target="_blank" href="http://blog.163.com/services/emsblog.html?frompersonalbloghome"><span title="来自网易短信写博" class="iblock wapIcon"> </span></a>
        {/if}
        <a class="fc03 m2a"  target="_blank" hidefocus="true" href="http://blog.163.com/${x.visitorName}/">
          ${fn(x.visitorNickname,8)|escape}
        </a>
      </div>
    </div>
    {/if}
    {/list}

<#--最新日志，群博日志--> <#--推荐日志-->

<p class="fc06">推荐过这篇日志的人：</p>
    <div>
      {list a as x}
      {if !!x}
      <div class="iblock nbw-fce nbw-f40">
        <a class="fc03 noul" target="_blank" hidefocus="true" href="http://blog.163.com/${x.recommenderName}/">
        <img alt="${x.recommenderNickname|escape}" onerror="this.src=location.f40" class="cwd bdwa bdc0" src="${fn1(x.recommenderName)}"/>
        </a>
        <div class="cwd thide">
          <a class="fc03 m2a" target="_blank" hidefocus="true" href="http://blog.163.com/${x.recommenderName}/">
            ${fn(x.recommenderNickname,6)|escape}
          </a>
        </div>
      </div>
      {/if}
      {/list}
    </div>
    {if !!b&&b.length>0}
    <p  class="fc06">他们还推荐了：</p>
    <ul>
    {list b as y}
      {if !!y}
        <li class="rrb"><span class="iblock">·</span><a class="fc03 m2a" target="_blank" href="http://blog.163.com/${y.recommendBlogPermalink}/?from=blog/static/251319162009214115416640">${y.recommendBlogTitle|escape}</a></li>
      {/if}
    {/list}
    </ul>
    {/if}

<#--引用记录--> <#--博主推荐--> <#--随机阅读--> <#--首页推荐--> <#--历史上的今天--> <#--被推荐日志--> <#--上一篇，下一篇--> <#-- 热度 -->

{list a as x}
    {if !!x}
    <div class="hotItem iblock nbw-fce nbw-f40">
      <a class="fc03 noul" target="_blank" hidefocus="true" href="http://blog.163.com/${x.publisherUsername}/">
      {if x.publisherUsername==visitor.userName}
      <img alt="${x.publisherNickname|escape}" onerror="this.src=location.f40" class="cwd bdwa bdc0" src="${fn1(x.publisherUsername)}&r=${visitor.imageUpdateTime}"/>
      {else}
      <img alt="${x.publisherNickname|escape}" onerror="this.src=location.f40" class="cwd bdwa bdc0" src="${fn1(x.publisherUsername)}"/>
      {/if}
      </a>
      <div class="cwd vname thide">
        <a class="fc03 m2a"  target="_blank" hidefocus="true" href="http://blog.163.com/${x.publisherUsername}/">
          ${fn(x.publisherNickname,8)|escape}
        </a>
      </div>
      <a class="f-myLikeIcons hottype {if x.type==1} js-liketype{elseif x.type==2} js-reblogtype{elseif x.type==3} js-sharetype{else}{/if}" target="_blank" hidefocus="true" href="http://blog.163.com/${x.publisherUsername}/"> </a>
    </div>
    {/if}
    {/list}

<#-- 网易新闻广告 --> <#--右边模块结构--> <#--评论模块结构--> <#--引用模块结构--> <#--博主发起的投票-->

页脚

我的照片书 - 手机博客 - 下载LOFTER APP - 订阅此博客

徐小湛的博客

导航

日志

直纹面

历史上的今天

最近读者

热度

评论

页脚