Tree-ring width of Quercus species from historical object sample 6224B/02A, N...
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Species: Quercus species; No of rings: 76; first year: 1540; end year: 1616; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring...
物种：栎属（Quercus）物种；年轮数：76；起始年份：1540；终止年份：1616；髓心：不适用；心材：缺失；边材：缺失；边材年轮数：0；末次年轮……
