Tree-ring width of Quercus species from historical object sample 6190B/20A, Netherlands, 's-Hertogenbosch@en
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Species: Quercus species; No of rings: 54; Age not determined; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
物种：栎属（Quercus）物种；年轮数：54；年龄未测定；髓心（pith）：不适用；心材（heartwood）：缺失；边材（sapwood）：缺失；边材年轮数：0；树皮下的最后一轮年轮：缺失
创建时间：
2026-04-11
