<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31298099</termId><termName>mass</termName><termType>PT</termType><termNote><![CDATA[ The quantity of matter in a body, as distinct from its weight. ]]></termNote><termCreatedDate>2026-03-30 20:19:53</termCreatedDate><relation><relationType>BT</relationType><termId>31296909</termId><termName>attributes and properties by specific type</termName><termType>PT</termType></relation></term>  </Zthes>