caudal fin
英 [ˈkɔːdl fɪn]
美 [ˈkɑdəl fɪn]
尾鳍
双语例句
- Another characteristic is the presence of large black spots on the back and on both lobes of the caudal fin.
另一个特点是鳍的的大黑点，背上，并对这两种极限的尾。 - 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 - 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。 - Large food fish of warm waters worldwide having long anal and dorsal fins that with caudal fin suggest a three-lobed tail.
世界各地温暖水域中的大型食用鱼，背鳍和臀鳍很长象有三个分叶的尾巴。 - The father already had a somewhat unusual caudal fin pattern; instead of a long band, this fish possessed elongate spots there.
父亲已经有点不寻常尾鳍格局；而是一个漫长的乐队，这种鱼具有伸长点。 - The SPC-II fish robot prototype is an experimental platform which validates the stability, high efficiency and maneuverability by utilizing the caudal fin propulsion mechanism.
SPC-II型仿生机器鱼是利用尾鳍推进机理，实现机器鱼稳定、高速游动和验证机动性的一个实验平台。 - 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； - Studies on the formation of single caudal fin in the goldfish, Carassius auratus ⅲ. the effect of polyethyleneglycol and ultraviolet rays on the development of caudal fin
金鱼单尾鳍形成的研究Ⅲ.聚乙二醇和紫外线对尾鳍发育的影响 - 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； - Nuclear Transplantation in Zebrafish ( Brachydanio rerio): Development of Nucleate Unfertilized Eggs Transplanted with the Nuclei from Renal Cells and Caudal Fin Cells of Zebrafish
斑马鱼体细胞核移植&头肾细胞和尾鳍细胞核移入成熟具核卵子发育能力的初步研究 - 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。 - Based on motion similarity of microrobot drive fin and fish caudal fin, the authors discuss fish ( muscle) hydrodynamics, and analyze propulsion force produced by biomimetic fish-like drive fin.
基于鱼类肌肉水动力学的研究，利用鱼类尾鳍与微机器人摆翼运动相似性，对仿生鱼型微机器人摆翼所产生的推进力进行了分析。 - 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。 - 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 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。 - 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 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。 - 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 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。 - 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。 - 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。 - Culture of Cells from Caudal Fin of Goldfish and the Effect of Serum on Cell Growth
金鱼尾鳍组织的体外培养及血清对其生长的影响 - 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。 - Culture of cells from caudal fin of carp
鲤鱼尾鳍细胞的体外培养及其生长状态的研究 - 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。 - 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。