华北地区春季降水
spring precipitation in North China
华北地区旱涝
Drought and flood in North China
华北地区降水
rainfall over North China
华北地区夏季降水指数(RI)
RI index describing the summer precipitation in North China
华北地区夏季降水指数RI
RI index describing the summer precipitation in No
南华北地区
the southern North China
southern North China Craton
south Huabei area
the South of north China
southern north-china
西北华北地区
Northern and northwestern regions
华北、东北地区
North China and Northeast China region
华北北部地区
The north area of North China
华北地震区
North China seismic region
North China seismic area
华北南部地区
the southern of north China
中国华北及东北地区
North and Northeast China
中国华北与西北地区
North and Northwest China
河北北华律师事务所
hebei beihua law firm shijiazhuang city