<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31478680</termId><termName>annular vaults</termName><termType>PT</termType><termNote><![CDATA[ Barrel vaults covering a space the plan of which is formed by the area between two concentric circles, or any portion of such a space. ]]></termNote><termCreatedDate>2026-03-30 21:08:54</termCreatedDate><relation><relationType>UF</relationType><termId>31478681</termId><termName>annular vault</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31478682</termId><termName>vaults, annular</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31472589</termId><termName>barrel vaults</termName><termType>PT</termType></relation></term>  </Zthes>