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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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infinitesimal of the same order
infinitesimal operator
infinitesimal real number
infinitesimal rigidity
infinitesimal rotation
infinitesimal sequence
infinitesimal stability
infinitesimal strain
infinitesimal structure
infinitesimal symmetry
infinitesimal Torelli problem
infinitesimal transfer
infinitesimal transformation
infinitesimal transformation group
infinitesimal translation
infinitesimal unitary transformation
infinitesimal variance
infinitesimal variation
infinitesimal wedge
infinite solid
infinite space
infinite speed of propagation
[infinite] square well
infinite square well
infinite-stage system
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