<>Lindo 自带的帮助中错误列表的第二项是这么写的</P><>the LINDO model parser was expecting to find "SUBJECT TO" or "ST" to indicate the start of the constraints.This indicates that a syntax error has occurred. You should enter several carriage returns to retreat to command level,examine the model with the LOOK command ,and begin entering the remainder of the model with the EXTEND command.</P><>意思大概就是缺少指明约束的语法的关键字subject to,或者它的缩写st</P>