Tree-ring width of Quercus species from historical object sample 5776B/10A, N...
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Species: Quercus species; No of rings: 27; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 9; Last ring under bark:...
物种：栎属（Quercus）植物；总年轮数：27；树龄未测定；髓心：不适用；心材：完整；边材：完整；边材年轮数：9；树皮下最后一轮年轮：……
