将igs文件导入LT出现以下问题:
%Krf,H
vt(cC))
*** Error (AITX_BLANKED_ENTS) *** N4u-tlA
HME`7 dw?
The input file did not contain any supported non blanked independant entities. z+]YB5zK%
l~ZIv
Please check the documentation for a list of supported entities. Fjw+D1q.
jfjT::f>l
请教各位是什么原因,如何解决?