Tree-ring width of Quercus species from historical object sample 6340B/06M, N...
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Species: Quercus species; No of rings: 111; first year: 1375; end year: 1486; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring...
物种：栎属（Quercus）；年轮数：111；起始年份：1375；终止年份：1486；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……
