摘要：
<html>
<head>
<meta http-equiv="Content-Type" content="text/html">
<title>点与线的距离及垂足点</title>
</head> <script language=javascript> function dist(x, y, startx, starty, endx, endy) { var se = (startx-endx)*(startx-endx)+(starty-endy)*(starty 阅读全文
posted @ 2011-07-21 13:14
WHISHT
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