"优树"是个多义词,它可以指小悠(游戏宝可梦登场人物)。
... 优势树种 dominant tree species 优树 superior tree 优树采集区 clonal archive ...
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...香网 关键词: 马尾松;优树;子代;遗传距离;综合评价 [gap=1304]Keywords :masson pine(Pinus massoniana);select trees;progeny;genetic distance;comprehensive evaluation ...
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·2,447,543篇论文数据,部分数据来源于NoteExpress
计算了优树的选择差和遗传增益。
Selection differential and genetic gains are also estimated.
栓皮栎优树选择应采用小样地法,各地区选择标准不同。
The plus trees selection of Q. variabilis should use the small sample plot method and the standard is different in each region.
本文对39个杜仲优树无性系叶片的硝酸还原酶活力进行了测定。
Examines the NR activity of leaves from 39 clones of eucommia plus.
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