Tree-ring width of Quercus species from historical object sample 6729B/04A, G...
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Species: Quercus species; No of rings: 37; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 4; Last ring under bark:...
物种：栎属（Quercus）植物；年轮总数：37；树龄未测定；髓心：不适用；心材：完整；边材：不完整；边材年轮数：4；树皮下方的最末年轮：……
