id	keyword
ajst-29871	land
ajst-29871	land use
ajst-29871	construction land
ajst-29871	urban
ajst-29871	area
ajst-29871	land area
ajst-29871	plains
ajst-29871	agglomeration
ajst-29871	expansion
ajst-29871	land expansion
ajst-29871	development
ajst-29871	simulation