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 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。 - 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。 - 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。 - 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。 - 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 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; - 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。 - 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。 - 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。