caudal fin
英 [ˈkɔːdl fɪn]
美 [ˈkɑdəl fɪn]
尾鳍
英英释义
noun
- the tail of fishes and some other aquatic vertebrates
双语例句
- 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。 - However, many robot fish belonging to the body and/ or caudal fin propulsion, simulate the soft movements of fish by motor-driven stiff joints, which results in complex structure and noise.
然而大多数机器鱼采用身体/尾鳍摆动游动模式，利用电动机作为驱动器带动刚性的关节来模拟鱼类柔性的动作，结构复杂，动作噪音大，与鱼类的游动能力尚有较大差距。 - Poly ( A) mRNA obtained from carp eggs was injected into goldfish embryo at different developmental stages to study the effect of the mRNA on the caudal fin development. The experiment consisted of two parts: I.
从鲤鱼卵巢中提取核酸（mRNA）注入不同发育阶段的金鱼胚胎中，观察mRNA对尾鳍发育的影响。 - The renal cells collected directly from the kindey or the primary cultured caudal fin cells were transplanted into the nucleated eggs of the same species. The nuclear transplanted eggs could develop into the late gastrulation stage.
将经直接消化的斑马鱼头肾细胞或经短暂培养的尾鳍细胞核移植到同种成熟具核卵子中，移核卵可发育到原肠晚期； - Old World freshwater catfishes having naked skin and a long anal fin more or less merged with the eellike caudal fin.
东半球的淡水鲇鱼，体表无鳞，有类似鳗鱼尾鳍的很长的臀鳍。 - The equation of the robotic fish caudal fin locomotion is deduced in the third section.
在第三部分，本文分析了鱼类尾鳍推力方程，说明了提高尾鳍摆动的振幅和频率可以提高尾鳍的前向推力。 - Experimental measurement and analysis on the wake vortex of oscillating flexible caudal fin
摆动柔性鳍尾涡流场的实验测试与分析 - According to bionic principle, a fish-like swimming micro robot using giant magnetostrictive thin film actuator as a propulsion caudal fin can improve its reliability and feasibility in the way of non-contact control.
根据仿生学原理，采用超磁致伸缩薄膜驱动器模仿鱼类的波状推进方式，可以实现机器人的无缆驱动，并能显著提高机器人的可靠性与实用性。 - Based on the strategy, this paper gives the equation of caudal oscillating track when the robotic fish swimming forward with a certain speed by using two-link caudal fin.
根据以上模型，本文给出了机器鱼在某个时间段匀速下机器鱼两关节尾鳍摆动轨迹方程。 - 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；