The DNA samples were extracted from the caudal fin ray of samples.

从样品鳍条提取基因组dna，水平式淀粉凝胶电泳法检测同工酶。

Rainbows also have a red or pink streak that runs from the gill cover to the caudal fin, inspiring their name.

虹鳟体侧有从腮盖到尾鳍的红色或粉红条带，正如它们的名字。

The soft anatomy of conodont shows some soft tissues including eyes, notochord, nerve cord, myomeres and caudal fin.

英国古生物学家们通过牙形石动物的软体解剖学研究，发现眼睛、脊索、神经索、肌肉组织、尾鳍等软组织；

The experimental results were showed. It has potential benefits to the design of underwater turbine with oscillating caudal fin.

对尾鳍摆动式水下推进器的设计具有重要的意义。

The test proves that the caudal fin oscillation frequency, the maximum amplitude of vibration of caudal fin, the caudal fin strikes the water angle influence the fish's speed;

加减速试验论证了尾鳍摆动频率、尾鳍后缘最大摆幅以及尾鳍的最大击水角度对鱼体速度的影响；