PropertyValue
nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
nif:endIndex
  • 162 (xsd:integer)
nif:isString
  • z(xi) (i = 1, 2, ⋯, n) represents the property value of sampling point xi (i = 1, 2, ⋯, n), and annual mean PM2.5 concentration is the property value of point xi.
rdf:type