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双受精
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双受精
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双受精
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double fertilization
双受精
被子植物的同一个雄配子体中形成的两个精子,一个与单倍体的卵细胞融合形成二倍体的合子,另一个与二倍体的中央细胞融合形成三倍体的初生胚乳细胞的现象。
Biology
double fertilization
双受精
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E. Fermi
E. Fermi, 1901—1954
effaceable functor
effeciency theory
effect
effect algebra
effect analysis
effect assessment of stock enhancementand ranching
effect diameter of molecular collision
effect evaluation of rodent control in grassland
effect heredity principle
effect hierarchy principle
effect island foresting
effective
effective absorption coefficient
effective acceleration of gravity
effective accumulative temperature
effective action
effective action of quantum matter fields
effective algorithm
effective aperture
effective area
effective atomic number rule
effective attenuation factor
effective blood drug concentration
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