将igs文件导入LT出现以下问题: qC& xuu|
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*** Error (AITX_BLANKED_ENTS) *** j5[>HL
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The input file did not contain any supported non blanked independant entities. #Q_<eo%lI*
CI \O)iB
Please check the documentation for a list of supported entities. 'Cz]p~oF
RLLL=?W@
请教各位是什么原因,如何解决?