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peanut breeding
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peanut breeding
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农学
花生育种
释
peanut breeding
花生育种
利用花生不同类型的种质资源,通过有性杂交、人工诱变、引种鉴定、系统选择以及分子标记等生物学手段,有目的地进行遗传改良,选育高产、优质、抗病、适应性强或具有某种特殊性状的优良品种供生产或商业使用的过程。
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countable compactness
countable covering
countable degree
countable dimension
countable-dimensional
countable distributivity
countable-finite game
countable Hilbert space
countable infinity
countable Lebesgue spectrum
countable model
countable ordinal number
countable potency
countable product
countable semiadditivity
countable set
countable simplicial complex
countable space
countable subadditivity
countable subset
countable sum axiom
countable superadditivity
countable support iterated forcing
countable system
countable transitive model
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