<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31317014</termId><termName>digital surface modeling</termName><termType>PT</termType><termNote><![CDATA[ Computer software technique for rendering virtual models of surfaces in three-dimensions. ]]></termNote><termCreatedDate>2026-03-30 20:25:22</termCreatedDate><relation><relationType>UF</relationType><termId>31317015</termId><termName>DSM</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31317016</termId><termName>modeling, digital surface</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31304074</termId><termName>computer image-making processes and techniques</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31317007</termId><termName>digital terrain modeling</termName><termType>PT</termType></relation></term>  </Zthes>