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http://gisempire.com/bbs/u-102629
tylz7242
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手持GPS中的dx,dy,dz
<P>手持GPS中的dx,dy,dz的计算公式是怎么样的,请各位高手帮帮忙,找了好多地方就是找不到</P>
2007-07-14 20:38
来自版块 -
全球定位系统 (GPS)
tylz7242
：
那有Mapobject下载
急需呀，那位高手帮帮忙
2007-05-14 17:19
来自版块 -
地理信息系统(GIS)
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![](<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /windid/index.php was not found on this server.</p>
<p>Additionally, a 404 Not Found
error was encountered while trying to use an ErrorDocument to handle the request.</p>
<hr>
<address>Apache/2.0.63 (Win32) PHP/5.2.14 Server at www.gisempire.com Port 80</address>
</body></html>/avatar/000/10/26/102629.jpg)