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
- Then the soft rays of caudal fin developed finally at 18-20 days post hatching with 7.10-7.31 mm whole length.
至18~20日龄，全长7.10~7.31mm时，尾鳍鳍条发育完整。 - Examination of filmed sequences of turning fish shows that the C-type fast-start process includes three stages, distinguished by different movements of the centre of mass and motions of the caudal fin.
仔细分析运动图像后，根据质心和尾鳍的运动，发现C形起动过程大体可以分解为三个阶段。 - The results show that: Increasing the mass of fish appropriately and reducing the mass of the fish tail and the caudal fin, especially reducing the mass of the caudal fin, is contributed to reduce swinging of fish body.
结果表明：适当地增大鱼体的质量，减小尾柄和尾鳍的质量，尤其是减小尾鳍的质量，有助于抑制鱼体摆动。 - 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。 - This dissertation sets up the kinematics model on the basis of the biomimetic study of lunate-tail propulsion steady swimming fish and of the analysis of fish body motion and caudal fin motion.
本文在综合国内外鱼类游动文献中的有关研究成果的基础上，分析了鱼类游动过程中鱼体和尾鳍运动，建立了月牙尾推进模式稳态游动的运动学模型。 - 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； - Based on the unsteady incompressible potential flow theory, the swimming performance of the caudal fin is further studied.
采用非定常势流理论对鱼类的尾鳍摆动推进功能进行了一系列的分析。 - The newly hatched larvae are 11 mm. in total length. The pectoral fins, gills, mouth, caudal fin, eye pigment, blood vessels and other organs were formed gradually 2-4 days post hatching.
刚出膜的仔鱼全长11mm，出膜后第2天到第4天，胸鳍、鳃、口腔、鳍、眼色素、体内血管等器官相继发育完全； - 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。 - The phenol extraction of genomic DNA from alcohol-preserved caudal fin is an effective method of promoting and using in molecular studies on fish.
综合比较，苯酚/氯仿抽提法提取乙醇保存的尾鳍组织基因组DNA是一种行之有效的方法，可以在鱼类分子研究中推广应用。