將igs文件導入LT出現以下問題: 4_6W s$x  
?~VWW<lR  
*** Error (AITX_BLANKED_ENTS) *** ql#{=oGDnA  
2.fyP"P L  
The input file did not contain any supported non blanked independant entities. mhHA!:Y  
Q%,o8E2~  
Please check the documentation for a list of supported entities. 1S*8v