我们颚部的杠杆系统以及耳中的小骨链都拜鲨鱼祖先所赐。
We owe both the lever system in our jaws and small bones in our ear to our shark ancestors.
其组织是在提花毛圈机上形成的，具体方法是纱线垫在沉降片片鼻上形成大线圈，垫在片颚上形成小线圈。
This fabric is knitted on jacquard terry knitting machine, in which a long loop is formed by feeding the yarn on sinker nose and a short one on sinker jaw.
三疣梭子蟹胚胎期腹神经链由1对大颚、2对小颚和2对颚足所对应的神经节以及腹部神经链组成。
The ventral nerve cord of the crab in the embryo included 1 pair mandibular neuromere, 2 pairs neuromeres of maxillae, 2 pairs neuromeres of maxillipede and abdomen nerve cord.
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