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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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radio frequency micro-electromechanical system switch
radio frequency module
radio frequency navigation
radio-frequency oscillator
radio frequency plasma
radio-frequency plasma
radio frequency quadrupole linear accelerator
radio-frequency radiation
radio frequency resonant accelerator
radio frequency, RF
radio frequency sensor
radio-frequency signal
radio-frequency spectrum
radio-frequency sputtering
radio-frequency sputtering, RF sputtering
radiofrequency thermocoagulation for trigeminal neuralgia
radio frequency treatment devices
radio fuze electronic warfare
radio - galaxy
radio galaxy
radio-galaxy Hubble diagram
radiogenic
radiogenic heat
radiogentic heat in the earth
radiogeodesy
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