Tree-ring width of Quercus species from historical object sample 6339B/17A, Netherlands, 's-Hertogenbosch@en
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Species: Quercus species; No of rings: 55; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 12; Last ring under bark: present
物种：栎属（Quercus）物种；年轮数：55轮；树龄未测定；髓心：不适用；心材：完整；边材：完整；边材年轮数：12；树皮下存在末次年轮
创建时间：
2026-04-20
