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<div class="wimsbody">
<h1>
WIMS µÄ±êÖ¾
</h1>

<img src="gifs/logo-160.gif" align="middle" alt="logo">

<p>°ë¾¶Îª 1 µÄÔ²ÅÌÉÏÓÐÒ»¸öµã, µ±´ËÔ²ÅÌÔڰ뾶Ϊ 3 µÄÔ²ÄÚת¶¯Ê±, ¶¨µãµÄ¹ì¼£
¾ÍÊÇÕâÌõÇúÏß. µ±µãÓëÔ²ÅÌÖÐÐĵľàÀë ´Ó 0 ±äµ½ÎÞÇî´óʱ, ¼´µÃµ½ÕâÌõÇúÏߵıäÐÎ.
</p><p>
´Ë¶¯»­±êÖ¾ÊÇÔÚ WIMS ÄÚÒÔÓ¦ÓóÌÐò
!href module=tool/geometry/animtrace ¹ì¼£¶¯»­
»æÖƶø³ÉµÄ.
</p>
<ul>
<li>×÷ͼÀàÐÍ: ¶þά²ÎÊýÇúÏß
</li><li>·½³Ì:
<pre>
     x=(1-s)*cos(t+pi*s)+s*cos(2*t)
     y=(1-s)*sin(t+pi*s)-s*sin(2*t)
</pre>
  (ÕâÀï s ´ú±í<span class="wims_emph">¹ì¼£¶¯»­</span>ÖеÄ``ÐòÁвÎÊý''.)
<li>±äÁ¿µÄÖµÓò:
<pre>
     -1&lt;x&lt;1, -1&lt;y&lt;1, 0&lt;t&lt;2*pi.
</pre>
</li>
</ul>
ÄúÒ²¿ÉÒÔ
!href module=tool/geometry/animtrace.en&cmd=new&type=parametric2D&x1=(1-s)*cos(t+pi*s)+s*cos(2*t)&y1=(1-s)*sin(t+pi*s)-s*sin(2*t)&tleft=0&tright=2*pi&xleft=-1&xright=1&yleft=-1&yright=1&special_parm=noshow Ö±½ÓÔØÈëÉ趨
<span class="wims_emph">¹ì¼£¶¯»­</span>
ÒÔ×ÔÐлæÖƱ¾±êÖ¾.
<p>
»æÖÆÈÕÆÚ: 03-27-1998, &copy; Ф¸Õ.
</p><hr>
<p class="wimscenter">
!href module=home »Ø WIMS Ö÷Ò³
</p>
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