lingo错误代码11,求改正

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lingo错误代码11,求改正
model
sets:
pingtai/p1..p20/;
entrance/e1..e13/;
links/pingtai,entrance/:time,path;
endsets
time=@ole（'1.xls',time）;
data:
min=@sum(links:time*path);
@for(entrance(j)
@sum(pingtai(i):path(i,j))=1);
@for(pingtai(i)
@sum(entrance(j):path(i,j)#LE#1);
@bin(path);
end

model:
sets:
pingtai/p1..p20/;
entrance/e1..e13/;
links(pingtai,entrance):time,path;
endsets
data:
time=@ole('1.xls',time);
enddata
min=@sum(links:time*path);
@for(entrance(j):
@sum(pingtai(i):path(i,j))=1);
@for(pingtai(i):
@sum(entrance(j):path(i,j))

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