将igs文件导入LT出现以下问题: MGc=TQ.
sl6p/\_w
*** Error (AITX_BLANKED_ENTS) *** }K~JM1(26
kjaz{&P
The input file did not contain any supported non blanked independant entities. bw%1*;n)
-J[zJ4z#
Please check the documentation for a list of supported entities. =e$
#m;
T~"tex]
请教各位是什么原因,如何解决?