<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31450333</termId><termName>equation clocks</termName><termType>PT</termType><termNote><![CDATA[ Timepieces that indicate the difference between mean solar time and apparent time (usually based on Greenwich mean time). ]]></termNote><termCreatedDate>2026-03-30 21:01:16</termCreatedDate><relation><relationType>UF</relationType><termId>31450334</termId><termName>clocks, equation</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31450335</termId><termName>equation clock</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31427915</termId><termName>clocks by function</termName><termType>PT</termType></relation></term>  </Zthes>