Tree-ring width of Quercus species from historical object sample 6641B/02A, G...
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Species: Quercus species; No of rings: 55; first year: 1764; tree-death year: 1819; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 13;...
物种：栎属（Quercus）物种；年轮总数：55；初始生长年份：1764；树木死亡年份：1819；髓心：不适用；心材：完整；边材：完整；边材年轮数：13；……
