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holostei (fossil)
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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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imprimitive linear group
imprimitive matrix
imprimitive polynomial
imprimitive pseudogroup
imprimitive representation
imprimitivity
imprint
imprinted gene
imprinter
imprinting
imprinting disorder diagnosis
imprinting enzyme
imprinting factor
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imprisonment
imprisonment of convicts
improbable
Impromptu
impromptu interview
improper
improper affine sphere
improper automorphic transformation
improper behavior
improper bisecant
improper character
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