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polar nucleus
释义
polar nucleus
n.
Botany
(名词)【植物学】
Either of two nuclei located centrally in a flowering plant embryo sac that eventually fuse to form the endosperm nucleus.
极核:位于一株开花植物的胚囊中央的两个细胞核的任一个,这两个细胞核最终融合而形成内胚乳细胞核
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quotha
quotidian
quotidian
quotidians
quotient
quotient
quotients
quoting
Quran
Qur'an
Qurnet es Sauda
qurush
Qur’an
Québecois
qv.
QWERTY
QWERTY keyboard
Q¾qon
Q–Celtic
Q–ship
r
r
R
r.
R.
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更新时间:2025/4/26 0:43:10