Tree-ring width of Quercus species from historical object sample 6728B/08A, G...
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Species: Quercus species; No of rings: 69; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 1; Last ring under bark:...
物种：栎属（Quercus）物种；年轮数：69；树龄未测定；髓心：不适用；心材完整；边材不完整；边材年轮数：1；树皮下方可见最后一圈年轮：……
