“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	lower Lebesgue sum lower limb lower limb prosthesis lower limit lower limit event lower limit function lower limit of an integral lower limit of a sequence lower limit of integral lower limit on the left lower limit on the right lower logarithmic density lower main sequence lower mantle lower marginal dimension lower marine riser package lower-most stratosphere lower nilradical lower one-sided limit lower order lower outer density lower paraselenea lower parhelion lower plant lower Privalov operator

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