節選段落一：
　 -1：布爾操作失敗時產生一個錯誤信息
如果Lab＝VERSION，其值有：
　　RV52：激活5.2版本兼容性選項；
RV51：激活5.1版本兼容性選項；
3.1.2 BTOL, PTOL
Specifies the Boolean operation tolerances.
指定布爾操作的容差
Main Menu>Preprocessor>Modeling>Operate>Booleans>Settings
PTOL ：Point coincidence tolerance.


節選段落二：
See the ANSYS Modeling and Meshing Guide for an illustration. See the BOPTN command for the options available to Boolean operations.


節選段落三：
See the ANSYS Modeling and Meshing Guide for an illustration. See the BOPTN command for an explanation of the options available to Boolean operations.