将igs文件导入LT出现以下问题: 1b``y
"e ;wN3/bF
*** Error (AITX_BLANKED_ENTS) *** 5f}GV0=n
EJByYk
The input file did not contain any supported non blanked independant entities. Y^(NzN
nqv#?>Z^OT
Please check the documentation for a list of supported entities. B[IqLD'6
a +lTAe
请教各位是什么原因,如何解决?