<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31485551</termId><termName>parabolic arches</termName><termType>PT</termType><termNote><![CDATA[ Arches that are curved in the shape of a parabola, following a plane curve that is mirror-symmetrical and is approximately U-shaped.  ]]></termNote><termCreatedDate>2026-03-30 21:07:08</termCreatedDate><relation><relationType>UF</relationType><termId>31485552</termId><termName>parabolic arch</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31458639</termId><termName>arches by form</termName><termType>PT</termType></relation></term>  </Zthes>