“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	unalloyed free-cutting steel unalloyed machinery steels unalloyed plain steel unalloyed quality steel unalloyed section steel for construction unalloyed special quality steel unalloyed steel unalloyed steel for boiler and pressure vessel unalloyed steel for concrete reinforcement unalloyed steel for covered electrode and welding wire unalloyed steel for high performance building structure unalloyed steel for railway wheels unalloyed steels for engineering structures unalloyed steels for railway axles unambiguous unambiguous definition unambiguous determination unambiguous grammar unambiguous language unambiguous solution unanimity unannealed unannotated edition unannounced satellite unar

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