Tree-ring width of Quercus species from historical object sample 6639B/01A, G...
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Species: Quercus species; No of rings: 136; first year: 1532; tree-death year: 1668; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last...
物种：栎属（Quercus）植物；总年轮数：136；年轮起始年份：1532；树木死亡年份：1668；髓心：不适用；心材：缺失；边材：缺失；边材年轮数：0；末次……
