Tree-ring width of Quercus species from historical object sample 6180B/11C, Netherlands, Doesburg@en
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Species: Quercus species; No of rings: 43; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 3; Last ring under bark: absent
物种：栎属（Quercus）树种；年轮总数：43；树龄未测定；髓：不适用；心材：完整；边材：不完整；边材年轮数：3；树皮内侧最后一轮年轮：缺失
创建时间：
2026-04-20
