... 优树 superior，plus tree 优树选择 selection of plus tree 表型选择 phenotypic selection ...
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The plus trees selection of Q. variabilis should use the small sample plot method and the standard is different in each region.
栓皮栎优树选择应采用小样地法，各地区选择标准不同。
参考来源 - 栓皮栎天然类型划分及其同工酶分析的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
提出了以定期结实年数和定期结实枝平均生长量为标准的优树选择方法。
The great bearing interval was regarded as optimum time, and optimum method for plus tree selection was put forward by the analytical results.
对油桐优树选择标准、选择方法进行了初探，得出各性状在选优中所占权重。
This paper makes a tentative inquiry into the choice of standard and method about the improved strains of Tung tree and knows the proportion each property accounts for.
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