[求助]sat是什么文件？如何才能正常开以前保存的zxm文件呢 [复制链接]

我是初学者  老师让我做这方面课题  我们师姐留下来的zxm文件  我一直打不开  到底该怎么解决 希望能得到帮助   #q6jE  
当我打开文件时 出现图片1。 @'7'3+ c  
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点击确定时就出现图片2 QZYD;&iY&  
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SAT is a CAD file format; the file might have been removed from the folder directory that's why you cannot open it. Cz#0Gh>1  
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The CAD file can be imported with "CAD Part: STEP/IGES/SAT" (in slightly newer version of ZEMAX) or CAD object (in the older ZEMAX versions if I recall correctly.)