Tree-ring width of Quercus species from historical object sample 5908B/11B, Netherlands, Groningen@en
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Species: Quercus species; No of rings: 146; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 14; Last ring under bark: present
物种：栎属物种（Quercus species）；总年轮数：146；树龄未测定；髓心：不适用；心材：完整；边材：完整；边材年轮数：14；树皮下方存在最晚年轮
创建时间：
2026-04-12
