Additional Metadata

additionalMetadata
        |___element 'unitList'
              |___element 'unit'
                    |  \___attribute 'id' = 'milimeterPerYear'
                    |  \___attribute 'multiplerToSI' = '3.17e-11'
                    |  \___attribute 'name' = 'milimeterPerYear'
                    |  \___attribute 'parentSI' = 'metersPerSecond'
                    |  \___attribute 'unitType' = 'volumeticAreaRate'
                    |___element 'description'
                          |___text 'Water height; 水高'