将igs文件导入LT出现以下问题: EI>6Nh
Di_2Plo)4
*** Error (AITX_BLANKED_ENTS) *** B5V_e!*5F*
d6{Gt"
The input file did not contain any supported non blanked independant entities. 8(g:HR*;
n6d9\
Please check the documentation for a list of supported entities. ,C.:;Ime({
@oF$LMD
请教各位是什么原因,如何解决?