id	keyword
hom-103	meteorological
hom-103	u.s
hom-103	china
hom-103	meteorology
hom-103	military
hom-103	yan’an
hom-103	cpc
hom-103	communist
hom-103	mission
hom-103	history
hom-103	observation
hom-103	group
hom-103	intelligence
hom-103	knowledge
hom-103	war
hom-103	science
hom-103	network
hom-103	weather
hom-103	stations