“sperm nucleus”的概念、定义、翻译、参考文献-科学参考

单词	sperm nucleus
释义	sperm nucleus [`spǝrm ´nü·klē·ǝs] ^BOTANY One of the two nuclei in a pollen grain that function in double fertilization in seed plants.
随便看	position firing position fixing position indicator positioning positioning action positioning band positioning time position line position operator position pulse position report position representation position sensor position telemetering position transducer position vector positive positive acceleration positive afterimage positive angle positive area positive axis positive bias positive birefringence positive charge

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