查询词典 placoid
- 与 placoid 相关的网络例句 [注：此内容来源于网络，仅供参考]
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In this review placoid scale's structure, shapes and the drag-reduction function of its riblet surfaces are introduced.
这种沟槽形态的鲨鱼盾鳞肋条结构具有良好的减阻作用。
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Investigation into the drag-reduction mechanism of riblet surfaces makes placoid scale a perfect object to biomaterial research.
鲨鱼体表覆有一层细小的盾鳞，盾鳞上的脊状突起称为肋条，肋条之间构成具圆弧底的沟槽。
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As the shark grows, the placoid scales do not increase in size, but rather the shark grows more scales.
作为鲨鱼的增长， placoid规模不增加的大小，而是鲨鱼日趋规模。
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Shark skin feels exactly like sandpaper because it is made up of tiny teeth-like structures called placoid scales, also known as dermal denticles.
鲨鱼皮肤的感觉完全一样砂纸，因为它是取得了微小的牙齿样结构的所谓placoid规模，也称为真皮齿。
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Any of numerous fishes of the class Chondrichthyes,characterized by a cartilaginous skeleton and placoid scales and including the shark s,rays,and skates.
属软骨鱼纲的鱼软骨鱼纲鱼的一种，以软骨骨架和板状鱼鳞为特征，包括鲨、鳐、灰鳐
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Any of numerous fishes of the class Chondrichthyes, characterized by a cartilaginous skeleton and placoid scales and including the sharks, rays, and skates.
属软骨鱼纲的鱼软骨鱼纲鱼的一种，以软骨骨架和板状鱼鳞为特征，包括鲨、鳐、灰鳐
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Any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates.
众多的软骨鱼类；以软骨骨架和板状鱼鳞为特征，包括鲨、鳐、灰鳐。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。