<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31394895</termId><termName>curved mirrors</termName><termType>PT</termType><termNote><![CDATA[ Mirrors having curved, rather than flat, reflective surfaces. ]]></termNote><termCreatedDate>2026-03-30 20:46:10</termCreatedDate><relation><relationType>UF</relationType><termId>31394896</termId><termName>curved mirror</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31394897</termId><termName>mirrors, curved</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31355148</termId><termName>mirrors by form</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31424913</termId><termName>convex mirrors</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31424922</termId><termName>burning mirrors</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31424926</termId><termName>concave mirrors</termName><termType>PT</termType></relation></term>  </Zthes>