查询词典 bony fishes

Bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii.

用气泡或腮呼吸生活于南半球的多骨鱼类；有时被归为总鳍鱼类。

The Permian seas came to be dominated by bony fishes with fan-shaped fins and thick, heavy scales.

二叠纪的海洋被硬骨鱼类统治着，它们有着扇子一样的鳍和厚厚的鳞片。

In contrast, bony fishes have bony skeletons and a single gill cover.

在相比之下，骨鱼类有骨骨架和一个单一的鳃盖。

Gular plate A ventral bony plate that lies between the two lower jaws in some primitive bony fishes e.g.

喉盘在一些原始的硬骨鱼类介于两层下颚之间的一个腹部骨板

Most bony fishes have a swim bladder, a gas- filled organ used to adjust swimming depth.

大部分硬骨鱼有鳔，这是源于消化管的憩室，司控制浮力或为辅助呼吸器官。

Relating to, designating, or characterized by a tail fin having two symmetrical lobes extending from the end of the vertebral column, as in most bony fishes.

正尾的，等形的与一种尾鳍有关的或以其为特点的，这种尾鳍有对称的两叶从脊椎一头延伸出来，大多数多骨鱼均如是

A member of the Crossopterygii, a group of bony fishes with paired, rounded fins that are extinct except for the coelacanths and are regarded as ancestors of amphibians and other terrestrial vertebrates.

总鳍鱼一种总鳍目鱼，长有成对的圆形鳍，除了空鳍鱼类的鱼之外现已全部灭绝，被认为是两栖纲动物和其它陆生脊椎动物的祖先

Bony fishes living in seawater have the opposite problem, being hypotonic to their surroundings.

生活在海水中的硬骨鱼有相反的问题，它们要的功能是去除两价的离子，如像Ca 2+，Mg 2+和SO 。

Designating , or characterized by a tailfin having two symmetrical lobes extending from the end of the vertebral column , as in most bony fishes .

正尾的，等形的与一种尾鳍有关的或以其为特点的，这种尾鳍有对称的两叶从脊椎一头延伸出来，大多数多骨鱼均如是来源：词友

Thus,most shark and ray populations can withstand only modest levels of fishing without depletion and stock collapse,and decline more rapidly and are not able rebound as quickly as other bony fishes to population reductions.

因此，大部分软骨鱼类种群只能承受中等捕捞强度的渔业开发，否则将导致种群数量急剧减少甚至种群崩溃，并且在种群数量急剧减少后无法象许多硬骨鱼类那样快速恢复原有种群数量和规模。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。