GAMS中所有关键字（reserved words）

abort
acronym
acronyms
alias
all
and
assign
binary
card
diag
display
else
eps
eq
equation
equations
file
files
for
free
ge
gt
if
inf
integer
le
loop
lt
maximizing
minimizing
model
models
na
ne
negative
no
not
option
options
or
ord
parameter
parameters
positive
prod
putpage
puttl
repeat
sameas
scalar
scalars
semicont
semiint
set
sets
smax
smin
solve
sos1
sos2
sum
system
table
then
until
using
variable
variables
while
xor
yes