<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31298113</termId><termName>density</termName><termType>PT</termType><termNote><![CDATA[ The distribution of something per unit area; can be, for example, the measure of the mass of a substance per unit volume, or the number of dwelling units per acre. ]]></termNote><termCreatedDate>2026-03-30 20:19:54</termCreatedDate><relation><relationType>UF</relationType><termId>31298114</termId><termName>dense</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31296909</termId><termName>attributes and properties by specific type</termName><termType>PT</termType></relation></term>  </Zthes>