Tree-ring width of Quercus species from historical object sample 6222B/10M, N...

Species: Quercus species; No of rings: 88; first year: 1150; end year: 1238; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring...物种：栎属（Quercus）植物；年轮数：88；起始年份：1150年；终止年份：1238年；髓心：不适用；心材：缺失；边材：缺失；边材年轮数：0；最后一轮年轮……