Tree-ring width of Quercus species from historical object sample 5526B/17A, N...
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Species: Quercus species; No of rings: 56; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 29; Last ring under bark:...
物种：栎属（Quercus）物种；年轮数：56；树龄：未测定；髓心（pith）：不适用；心材（heartwood）：完整；边材（sapwood）：完整；边材年轮数：29；树皮下的最晚年轮：……
