Tree-ring width of Quercus species from historical object sample 6463B/18M, N...

Species: Quercus species; No of rings: 174; first year: 1283; end year: 1457; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring...物种：栎属（Quercus）物种；年轮数：174；起始年份：1283；终止年份：1457；髓心（Pith）：不适用；心材（Heartwood）：缺失；边材（Sapwood）：缺失；边材年轮数：0；末次年轮……