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真掌鳍鱼
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真掌鳍鱼
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真掌鳍鱼
一种已经灭绝的四足形类鱼类代表,是鱼类登陆过程中经典的过渡化石,被认为是四足动物的直接祖先。
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quasi-derivative
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quasidiagonal
quasidiagonal matrix
quasidiagonal operator
quasi-different
quasi-differentiability
quasi-differentiable function
quasi differential
quasi-differential
quasi-differential equation
quasi-differential expression
quasi-differential function
quasi-differential operator
quasi-differentiation
quasi-diffusion
quasi-diffusion method
quasi-dihedral group
quasi-directed set
quasi-discrete
quasi-discrete space
quasi-discrete spectrum
quasi-disjunction
quasidisk
quasi-dispersed set
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