bout__ssCR.eUriType"></span><span class="target" id="classomexmeta_1_1PhysicalProperty_1a8065f6509c81feb045a13bcfe43c11b5"></span><a class="reference internal" href="#_CPPv4N8omexmeta16PhysicalPropertyE" title="omexmeta::PhysicalProperty"><span class="n"><span class="pre">PhysicalProperty</span></span></a><span class="w"> </span><span class="p"><span class="pre">&amp;</span></span><span class="sig-name descname"><span class="n"><span class="pre">about</span></span></span><span class="sig-paren">(</span><spa