“second generation clonal seed orchard”的概念、定义、翻译、参考文献-科学参考

单词	second generation clonal seed orchard
释义	second generation clonal seed orchard Encyclopedia 农学种子生产区释 second generation clonal seed orchard第二代无性系种子园第一代遗传改良材料经过一轮双亲子代（包括少量单亲子代）测定和配合力的选择，在优良组合的后代中选择优良个体，以及在部分未经选择的林分中补充的资源建立的种子园。
随便看	typographic man Typography Publication for Western Xia typological dominance typological-functional approach typological harmony typological hierarchies typological interpretation typological theory of higher nervous activity typological variables typology typology of architecture typology of derivation typology of education typology of inflection typology of negation typology of polar questions typology of political parties typology of predication typology of word classes typomorphic mineral typoon disaster Tyr tyramine tyrannical power tyrannosaurs

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