<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31327611</termId><termName>base isolation</termName><termType>PT</termType><termNote><![CDATA[ A seismic design system involving a mechanism which is installed between the ground and the base of a structure thereby reducing the impact of an earthquake. ]]></termNote><termCreatedDate>2026-03-30 20:28:18</termCreatedDate><relation><relationType>UF</relationType><termId>31327612</termId><termName>isolation, base</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31308576</termId><termName>seismic design</termName><termType>PT</termType></relation></term>  </Zthes>