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holostei (fossil)
释义
holostei (fossil)
Encyclopedia
理学
有颌类
释
holostei (fossil)
全骨鱼类(化石)
进化阶段和特征组合上介于软骨硬鳞类和真骨鱼类之间的辐鳍鱼类。以现生于美洲淡水中的雀鳝(Lepisosteus)和弓鳍鱼(Amia)为代表。
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observed quantity
observed value
observe life and experience life
Observer
observer
observer bias
observer pattern
observer-report method
observers
observer's paradox
observing cage
observing chain
observing frequency
observing law of naturalness and cherishing truth
observing season
observing station
observing table
observing technique
observing technology of tilt tide
observing under ice
obsessive-compulsive disorder
obsessive-compulsive personality
obsessive-compulsive personality disorder
obsessive compulsive related disorders
obsidian
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