Tree-ring width of Quercus species from historical object sample 6352B/07A, N...
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Species: Quercus species; No of rings: 57; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 21; Last ring under bark:...
物种：栎属（Quercus）植物；年轮总数：57；树龄未测定；髓心：不适用；心材：完整；边材：完整；边材年轮数：21；树皮下末次年轮：……
