Tree-ring width of Quercus species from historical object sample 6715B/16A, G...
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Species: Quercus species; No of rings: 63; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 9; Last ring under bark:...
物种：栎属（Quercus）物种；年轮数：63；年龄未测定；髓（Pith）：不适用；心材（Heartwood）：完整；边材（Sapwood）：不完整；边材年轮数：9；树皮下方的最后一圈年轮：……
