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chondrostei (fossil)
释义
chondrostei (fossil)
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理学
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chondrostei (fossil)
软骨硬鳞鱼类(化石)
一类以鲟形类(Acipenseriforme,包括现生鲟科和匙吻鲟科构成的鲟类或鲟超科及其化石近亲)为代表的较原始的辐鳍鱼类,有时还可包括与鲟形类亲缘关系较近的、已灭绝的比耶鱼类和龙鱼类。
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alkylidine complex
alkylidyne complex
alkylidynetricobalt nonacarbonyl
alkyl iodide
alkyl iodide; iodoalkane
alkyllithium initiator
alkylolysis
alkylolysis; alkyl cleavage
alkylphenol polyoxyethylene ether,APE
alkyl polyglycoside
alkyl sulfonic ester DNA crosslinking reagent
alkyne
alkyne complex
alkynide
alkynol
alkynyl group
alkynyl metal
alkynyl sugar
al Kāshī
al-Kāshī
al-Kāshī(?1429)
ALK阳性间变性大细胞淋巴瘤
All About Difficulties in Learning
All About Eve
All About Macao
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