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paracrinoidea
释义
Paracrinoidea
Paracrinoidea
[
¦par·ə·krə′nȯid·ē·ə
]
(paleontology)
A class of extinct Crinozoa characterized by the numerous, irregularly arranged plates, uniserial armlike appendages, and no clear distinction between adoral and aboral surfaces.
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sound posts
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sound processing and control laboratory
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soundproofs
英语词典包含2567994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:2026/7/13 12:13:00