id	keyword
ajst-1966	land
ajst-1966	use
ajst-1966	evaluation
ajst-1966	land use
ajst-1966	suitability
ajst-1966	river
ajst-1966	land suitability
ajst-1966	fenhe
ajst-1966	basin
ajst-1966	suitability evaluation
ajst-1966	agricultural
ajst-1966	construction
ajst-1966	conditions
ajst-1966	allocation
ajst-1966	index