<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31398079</termId><termName>quartz watches</termName><termType>PT</termType><termNote><![CDATA[ Timepieces in which a quartz crystal is employed as a tiny tuning fork that maintains a specific vibration by means of an electrical current, which is then translated into regular electric pulses, one per second. ]]></termNote><termCreatedDate>2026-03-30 20:55:26</termCreatedDate><relation><relationType>UF</relationType><termId>31398080</termId><termName>quartz watch</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31398010</termId><termName>watches</termName><termType>PT</termType></relation></term>  </Zthes>