<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31352061</termId><termName>undersea terraces</termName><termType>PT</termType><termNote><![CDATA[ Flat horizontal or gently inclined surfaces on the sea floor, often long and narrow, and which are bounded by steeper ascending and descending slopes. ]]></termNote><termCreatedDate>2026-03-30 20:35:01</termCreatedDate><relation><relationType>UF</relationType><termId>31352062</termId><termName>submarine terrace</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352063</termId><termName>submarine terraces</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352064</termId><termName>terraces, undersea</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31352065</termId><termName>undersea terrace</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31324173</termId><termName>undersea landforms</termName><termType>PT</termType></relation></term>  </Zthes>