<html>
<body>
<p>请点击图像上的星球，把它们放大。</p>
<img
src="/i/eg_planets.jpg"
border="0" usemap="#planetmap"
alt="Planets" />
<map name="planetmap" id="planetmap">
<area
shape="circle"
coords="180,139,14"
href ="/example/html/venus.html"
target ="_blank"
alt="Venus" />
<area
shape="circle"
coords="129,161,10"
href ="/example/html/mercur.html"
target ="_blank"
alt="Mercury" />
<area
shape="rect"
coords="0,0,110,260"
href ="/example/html/sun.html"
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