是一种比鹦鹉螺类软体动物更复杂的眼睛,工作原理像是针孔相机。
The snail's eye, a more sophisticated version of that of the nautilus mollusk, works rather like the aperture of a pinhole camera.
有关四腮目头足类的,以两对腮为特征,并包括有腔鹦鹉螺和许多化石的种类。
Of, relating to, or being a cephalopod of the order Tetrabranchiata, characterized by two pairs of gills and including the chambered nautilus and many fossil species.
有关四腮目头足类的,以两对腮为特征,并包括有腔鹦鹉螺和许多化石的种类。
Of, relating to, or being a cephalopod of the order Tetrabranchiata, characterized by two pairs of gills and including the chambered nautilus and many fossil species.
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