<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>14052013</termId><termName>rigidez</termName><termType>PT</termType><termNote><![CDATA[ La propiedad de ser firme o falto de flexibilidad. ]]></termNote><termCreatedDate>2026-03-30 20:20:56</termCreatedDate><relation><relationType>BT</relationType><termId>14050303</termId><termName>propiedad mecánica</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>14057166</termId><termName>semi-rigidity (traducció pendent)</termName><termType>PT</termType></relation></term>  </Zthes>