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单词
pteridosperm
释义
pteridosperm
美
英
n.
种子蕨
复数:
pteridosperms
同义词
n.
seed fern
英汉
英英
网络释义
n.
1.
种子蕨
n.
1.
an
extinct
plant
that
bore
seeds
and
resembled
a
fern
1.
种子蕨
种子蕨
(
Pteridosperm
),虽还无真正的种子,但却具有胚珠,它可能是向裸子植物演化的高级过渡类型。繁盛于石炭纪和二叠纪…
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例句
随便看
time interval of machine maintenance and repair
time interval principle
time-interval radiosonde
time interval radiosonde
time interval recorder
time intervals
time-intervals
time interval selector
time interval system
time invariance
time-invariance
time-invariance property
time invariant
time-invariant
time invariant channel
time-invariant channel
time-invariant model
time-invariant operation
time invariant operation
time invariant system
time-invariant system
time invariant variables
time invarying system
time inversion
time-is-money
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更新时间:2025/3/1 0:05:52