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endosperm nucleus
释义
endosperm nucleus
noun
:
the triploid nucleus formed in the embryo sac of a seed plant by fusion of a sperm nucleus with the two polar nuclei or with a nucleus produced by their prior fusion
— compare double fertilization
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英语词典包含332784条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/10/26 4:33:47