<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31376479</termId><termName>flat plate systems</termName><termType>PT</termType><termNote><![CDATA[ Structural systems based on two-way concrete slabs employing no beams, drop panels, or column capitals. ]]></termNote><termCreatedDate>2026-03-30 20:41:33</termCreatedDate><relation><relationType>UF</relationType><termId>31376480</termId><termName>flat plate system</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31376481</termId><termName>flat plates</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31376482</termId><termName>systems, flat plate</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31345518</termId><termName>two-way structural systems</termName><termType>PT</termType></relation></term>  </Zthes>