id	keyword
ajst-8009	pm2.5
ajst-8009	lstm
ajst-8009	cnn
ajst-8009	model
ajst-8009	data
ajst-8009	prediction
ajst-8009	concentration
ajst-8009	time
ajst-8009	tpa
ajst-8009	air
ajst-8009	correlation
ajst-8009	network