Tree-ring width of Quercus species from historical object sample 2130B/06A, N...

Species: Quercus species; No of rings: 61; first year: 1260; end year: 1321; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 17; Last ring...物种：栎属（Quercus）物种；年轮总数：61；起始年份：1260年；终止年份：1321年；髓心：不适用；心材：完整；边材：完整；边材年轮数：17；末次年轮……