Tree-ring measurements of Pseudotsuga menziesii (Douglas-fir) from sample BEA...
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Species PSME; No of rings 198; Begin 1786; End 1983
物种PSME;环数:198;起始年份:1786;终止年份:1983

Species PSME; No of rings 198; Begin 1786; End 1983
物种PSME;环数:198;起始年份:1786;终止年份:1983