caudal fin

英 [ˈkɔːdl fɪn]

美 [ˈkɑdəl fɪn]

尾鳍

英英释义

noun

• the tail of fishes and some other aquatic vertebrates
  Synonym:tail fin

双语例句

• 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。
• 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。
• 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。
• 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。
• 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。
• 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；
• 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。
• 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。