<complexType name="AreaPerAreaMeasureType">
<annotation>
<documentation>Areal ratio or areal strain: Dimensionless ratio of areas. Used for porosity, void ratio, coverage ratios, and areal strain in materials. Commonly expressed as percent, fraction (m²/m²), or Euclid.</documentation>
</annotation>
<simpleContent>
<extension base="diggs:DescriptorValueType">
<attribute name="uom" type="diggs:AreaPerAreaUomEnumType">
<annotation>
<documentation>The unit of measure for areal ratio or areal strain.</documentation>
</annotation>
</attribute>
</extension>
</simpleContent>
</complexType>
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