Tree-ring width of Quercus species from historical object sample 6546B/02A, N...

Species: Quercus species; No of rings: 38; Age not determined; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 22; Last ring under bark:...物种：栎属（Quercus）物种；年轮数：38；树龄未测定；髓心（pith）：不适用；心材（heartwood）：完整；边材（sapwood）：完整；边材年轮数：22；树皮下方的最末年轮：……