<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31372642</termId><termName>aeronautical engineering</termName><termType>PT</termType><termNote><![CDATA[ Branch of aerospace engineering dealing with the design, development, and production of aircraft that function within the atmosphere, and their related systems. ]]></termNote><termCreatedDate>2026-03-30 20:40:30</termCreatedDate><relation><relationType>UF</relationType><termId>31372643</termId><termName>engineering, aeronautical</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31342065</termId><termName>aerospace engineering</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31369120</termId><termName>aeronautical engineers</termName><termType>PT</termType></relation></term>  </Zthes>