Tree-ring width of Quercus species from historical object sample 6511B/09A, N...
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Species: Quercus species; No of rings: 70; first year: 1618; end year: 1688; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 13; Last ring...
物种：栎属（Quercus）物种；年轮数：70；起始年份：1618；终止年份：1688；髓心：不适用；心材：完整；边材：完整；边材年轮数：13；末次年轮……
