<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31361627</termId><termName>hemispheres</termName><termType>PT</termType><termNote><![CDATA[ The two portions of a sphere cut off by a plane through its center. ]]></termNote><termCreatedDate>2026-03-30 20:37:34</termCreatedDate><relation><relationType>UF</relationType><termId>31361628</termId><termName>hemisphere</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31327322</termId><termName>solids</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31333766</termId><termName>hemispherical</termName><termType>PT</termType></relation></term>  </Zthes>