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embryo abortion
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embryo abortion
Encyclopedia
农学
〔杂交育种性状〕
释
embryo abortion
胚败育
狭义的胚败育指果树作物完成授粉受精后,由遗传决定的合子幼胚发育过程中出现停滞或死亡,未能形成成熟胚的生殖异常现象。广义的胚败育指果树作物的胚发育异常,未能形成可育种子胚的生殖现象。
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axiom of constructivity
axiom of continuity
axiom of countability
axiom of countable choice
axiom of denumerability
axiom of dependent choice
axiom of determinacy
axiom of determinacy (AD)
axiom of domination
axiom of elementary sets
axiom of empty set
axiom of equality
axiom of existence
axiom of extensionality
axiom of foundation
axiom of free mobility
axiom of identity
axiom of inaccessibility
axiom of incidence
axiom of induction
axiom of inequality
axiom of infinity
axiom of linear completeness
axiom of mathematical induction
axiom of motion
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