id	keyword
esrj-103872	flood prevention
esrj-103872	drought
esrj-103872	flood control
esrj-103872	input
esrj-103872	efficiency
esrj-103872	output
esrj-103872	output efficiency
esrj-103872	disaster prevention
esrj-103872	flood disaster
esrj-103872	land
esrj-103872	disasters
esrj-103872	city
esrj-103872	system
esrj-103872	scale
esrj-103872	jiangxi
esrj-103872	cities
esrj-103872	model