查询词典 amphibians

Of or relating to the superorder Labyrinthodontia,an extinct group of amphibians resembling crocodiles and having a labyrinthine tooth structure.

迷齿亚纲动物有迷齿纲总目的动物或同迷齿纲总目有关的动物，是一群与鳄鱼相象的已灭绝两栖动物，长有结构复杂的牙齿

It is characterized by the evolution on swampy land of amphibians, a few primitive early reptiles, and trees.

在这个时代中，沼泽生活的两栖动物有了发展，一些原始的早期爬行动物出现，还出现一些树木。

Any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species.

多种无尾、矮胖身体的两栖动物，后肢长适于跳跃；半水栖和陆栖种类。

Although the overall repertoires of GPCRs have been documented in teleost fish and mammals,no such report yet exists for amphibians.

虽然G蛋白偶联受体的完整信息已在鱼类及哺乳类动物中有了详尽的报道，但是两栖类动物这方面的数据还是空白。

Caudata is the lowest grade in all living vertebrate and the most original amphibians which from hydrophilous to terricolous.

有尾两栖类是现存最低等的陆生脊椎动物，是地球上由水生转向陆生较原始的现存动物。

The threshold flaw which weakens the logic is that the author assumes that the introduction of trout has nothing to do with decline of the amphibians in the Yosemite.

作者假设说鲑鱼的引入与Yosemite中两栖动物数量减少无关，这个论断缺乏证明，因为天敌的数量对于两栖动物的生存环境影响很大。

A mesocosm experiment demonstrated that, relative to control tanks, atrazine tanks had immunosuppressed tadpoles, had significantly more attached algae and snails, and had tadpoles with elevated trematode loads, further supporting a causal relationship between atrazine and elevated trematode infections in amphibians.

在关于吸虫感染的超过240种可靠的预测因素（这些因素从各种不同植物和动物物种的存在到农用化学药品和生境地理因素都包括在内）中，两个因素比较突出："莠去津"除草剂和"磷酸盐"化肥。

The little salamander of urodele Amphibians can be used as medicine and food, and have some economic value.

山溪鲵属两栖纲、有尾目、小鲵科，可做药用、食用，具有一定的经济开发价值。

A member of the sub phylum Vertebrata,a primary division of the phylum Chordata that includes the fishes,amphibians,reptiles,birds,and mammals,all of which are characterized by a segmented spinal column and a distinct,well - differentiated head.

脊椎动物脊索动物门的一个原始分支，属于脊椎动物分门的一种动物，包括鱼类、两栖动物、爬行动物、鸟类和哺乳动物，其共同特征是都有节段的脊柱和很明显的、分化的头部

Amphibians are important vertebrate groups, not only in the ecosystem plays an important role and are closely related to human life.

两栖动物是脊椎动物的重要类群，不但在生态系统中起着重要的作用，而且与人类的生活密切相关。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。