Regional Background Stations
regional background value of As in water body
Shangdianzi regional background monitoring station
Baoding Regional differences Economic developing synthetical order Econormic regional coefficient of variability Economic developing total Z index
Regional Flag and Regional Emblem Ordinance
Regional Flag and Regional Emblem Ordinance [117 of 1997]
regional ileitis [=regional enteritis
Background field and Background value
Intra-regional Spillovers
(RDC) regional distributon center
1 000 regional geochemistry exploration
1∶250 000 regional geological survey
1∶50 000 regional geological survey
200000 regional geochemical data
250000 regional geological mapping
250000 Regional Geological Survey
250000 scale regional geological survey