上甸子区域大气本底站
Shangdianzi GAW regional station
上甸子本底站
Shangdianzi atmospheric background monitoring station
区域本底站
regional background stations
历史上区域开放
regional opening in history
上甸子大气本底站
Shangdianzi background station
光激中子本底源
Photoneutron background source
汇水子区域划分
sub-catchment delineation