Tree-ring width from historical object sample 6057B/16M, Netherlands, Groningen
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Species: not given; No of rings: 205; first year: 1314; end year: 1519; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under...
物种：未注明；年轮总数：205；起始年份：1314；终止年份：1519；髓心：不适用；心材：缺失；边材：缺失；边材年轮数：0；最后一轮年轮位于……
