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	<title>Ray surface - Revision history</title>
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	<updated>2026-05-26T07:53:41Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://Opengenome.net/index.php?title=Ray_surface&amp;diff=7571&amp;oldid=prev</id>
		<title>Yslee at 09:03, 16 February 2006</title>
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		<updated>2006-02-16T09:03:02Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;매질내의 모든 방향에 있어서 광선의 속도를 1개의 원점에서 경선백터로 그었을 때 벡터의 타단에 의하여 형성되는 표면을 말한다.&lt;/div&gt;</summary>
		<author><name>Yslee</name></author>
		
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