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</topic><topic id="https://vocabularios.eca.usp.br/vcaa/skos/2025"><instanceOf><topicRef xlink:href="#term"/></instanceOf><baseName><baseNameString>estruturas esféricas</baseNameString></baseName>  <occurrence>    <instanceOf>      <topicRef xlink:href="#scope-note"/>    </instanceOf><baseName><baseNameString><![CDATA[ <p>Uma estrutura esférica é formada pela montagem de uma pluralidade de construções elementares, cada uma composta por três primeiros elementos triangulares, três segundos elementos triangulares, três terceiros elementos triangulares e três quartos elementos triangulares.</p>
<p>Fonte: <strong>Spherical structure and method for forming the same based on four basic element</strong>. Disponível em: <a href="https://patents.google.com/patent/US5907931A/en">https://patents.google.com/patent/US5907931A/en</a> </p> ]]> </baseNameString></baseName>  </occurrence></topic>  <association>    <instanceOf>      <topicRef xlink:href="#broader-narrower"/>    </instanceOf>    <member>      <roleSpec>  <topicRef xlink:href="#narrower"/>      </roleSpec>      <topicRef xlink:href="#https://vocabularios.eca.usp.br/vcaa/skos/2025"/>    </member>    <member>      <roleSpec>  <topicRef xlink:href="#broader"/>      </roleSpec>      <topicRef xlink:href="#https://vocabularios.eca.usp.br/vcaa/skos/1682"/>    </member>  </association></topicMap>