The striated and polished surfaces are called slicken-sides.
有条痕的磨光面则称为擦痕面。
The striated and polished surfaces are called slicken-sides.
有条痕的磨光面则称为擦痕面。
Most fishes have unstriated rays along the anterior part of the dorsal and ventral edges (leading edges) of the caudal fin.
在大类的尾鳍,沿著背侧与腹侧缘的前部具有无条痕的鳍条。在
些
中,例如鰕虎
其有条痕的与无条纹的软条
量比在
是有帮助的。
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