id	keyword
fbem-30086	logistics
fbem-30086	model
fbem-30086	land
fbem-30086	centers
fbem-30086	coverage
fbem-30086	demand
fbem-30086	reform
fbem-30086	system
fbem-30086	development
fbem-30086	data
fbem-30086	anhui
fbem-30086	service
fbem-30086	research