Breeding High Grade Resource 培育优质资源
In addition, the possibilities of applying the grey relational grade analysis to the other fields of crop breeding have been discussed.
文中还进一步讨论了关联分析在遗传育种其它方面应用的可能性。
Conclusion: Getting rid of alabastrums in breeding season we will gain hige - grade and high-yield medicinal herb.
结论：生育期内除去花蕾，才能获得优质高产药材。
Using SPF(Specific pathogen free)animals as the breeding stock and adopting synthesize preventive measure, the experiment mouse and rat of clean grade were reared in barrier system for 2 years.
以SPF级（无特殊病原体）动物为种源，采取综合防治措施，在屏障设施饲养清洁级实验小鼠和大鼠。
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