尾鰭 的英文怎麼說

中文拼音 [wěi]
尾鰭 英文
aft fin
  • : 名詞[書面語] (魚類的運動器官) fin
  1. Specifically, a halfmoon betta must have a caudal where both ends are exactly 180 degrees apart or more, spreading towards the front

    具體來說,半月斗魚一定要具備開展朝向前方, 180以上的尾鰭
  2. The quest for the perfect halfmoon by selectively breeding for branching and straight caudal edges has given rise to a new development in the betta splendens tailforms - the rosetail

    為追求最完美的半月斗魚,經由淘汰育種,培育巨大或直挺的尾鰭,斗魚尾鰭樣式已經演化出一新的支系,著名的玫瑰斗魚。
  3. Fish tail caudal fish shapes

    魚的尾鰭形狀
  4. Caudal edges have to be straight or curving outwards, and not bending inwards

    尾鰭邊緣一定要直或是向外彎曲,不能向內彎折。
  5. The robotic fish model selected in this paper which consider an idealized bcf propulsive fish model that consists of only three links : the rigid body in the foreside ; the high aspect ratio caudal fin ; the caudal peduncle which connects the caudal fin and the body

    機器魚的模型建立是把理想的bcf推進式魚類分為三個部分,分別是:前部剛性的身體,大展弦比的尾鰭和一個連接以上兩部分的頸。
  6. The study object in this paper is a lunate caudal fin imitating tuna - tail with the mode combined swaying and yawing in uniform flow which is incompressible and inviscid

    本文的研究對象是類似於金槍魚尾鰭的一個推進裝置,它是一個月牙形的尾鰭
  7. From this compare, we can know that the lunate fin has higher efficiency than the rectangle fin

    為研究尾鰭的幾何形狀對水動力性能的影響,本論文選取了矩形翼和月牙形翼進行比較。
  8. 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

    本文在綜合國內外魚類游動文獻中的有關研究成果的基礎上,分析了魚類游動過程中魚體和尾鰭運動,建立了月牙推進模式穩態游動的運動學模型。
  9. In order to imitate tune tail fin better, a flexible fin only in chordwise is considered. results shows that flexibility can increase the propulsive efficiency and cause small decreases in the average thrust compared with a rigid caudal fin with similar motion. next, a comparison between the rectangle fin and the lunate fin is given

    為了使數學模型更貼近生物模型,本文又將尾鰭處理為只考慮弦向變形而不考慮展向變形的柔性體,兩者對比的結果表明,柔性翼使得平均推力減小,但是,對具有相同推力的柔性翼比剛性翼具有更高的效率。
  10. Ophichthidae possess similar morphological or osteological characters, so more difficult to be identified

    但其外形相似,又缺少鱗片、腹尾鰭等結構,鑒別特徵較少。
  11. The test proves that the caudal fin oscillation frequency, the maximum amplitude of vibration of caudal fin, the caudal fin strikes the water angle influence the fish ’ s speed ; the curve experiment has obtained curve radius of inertia advance curve and static curve ; the ups and downs experiment proves that the pectoral fin on different angle influences the fish to move ups and downs

    加減速試驗論證了尾鰭擺動頻率、尾鰭后緣最大擺幅以及尾鰭的最大擊水角度對魚體速度的影響;轉彎試驗測得了機器魚慣性前進轉彎和靜止轉彎時的轉彎半徑;在機器魚的升潛試驗中論證了胸不同轉角對升潛運動的影響。
  12. Through the fundamental academic research of tunny ’ s swimming mode, the single motor - driven - robot fish has been designed, which has two joints taking pectoral fins as an elevator to make the fish - like robot moving up and down, moreover it can achieve the inertia swerve and the static swerve

    通過對?科加新月形尾鰭推進模式魚類的仿生學研究,設計了單電機驅動兩關節聯動的尾鰭推進仿生金槍魚,以胸作為升降舵實現機器魚的上浮和下潛,還可實現慣性前進轉彎和靜止轉彎。
  13. The sixth section gives the experimental results in the quasi - steady flow around the caudal fin and mimic the forward swimming using the caudal fin as the propulsor. and then review the speed and track of the robotic fish swimming when locomotion parameters are set in the experiment condition

    第六部分通過機器魚的自主游動實驗,初步模擬了機器魚利用尾鰭擺動推進前進,考察了實驗條件下設定魚的尾鰭擺動相關參數的情況下魚的游動速度和尾鰭的擺動軌跡情況。
  14. Twin - skeg stern

    雙導流尾鰭
  15. The future market of the 300, 000t twin - skeg type vlcc with super breath and shallow draught is prospective

    超寬淺吃水雙尾鰭30萬噸級vlcc有著廣闊的市場前景。
  16. In the test, the influence on the ship resistance and performance ability of changing the shaft angle of the skeg was discussed

    為進一步研究和確定其快速性,製作了船模,完成了阻力試驗和自航試驗。試驗探討了不同尾鰭角度對船舶快速性能的影響。
  17. Chosen from the title of " the 300, 000t twin - skeg type vlcc with super breath and shallow draught ", the subtitle of general arrangement and structural optimization are studied in this paper

    本文結合「超寬淺吃水雙尾鰭30萬噸超大型油船」課題,選擇其中兩個關鍵技術(即總體和結構優化)進行研究。
  18. It is the first try for us to study the 300, 000t twin - skeg type vlcc with super breath and shallow draught, which can lead us to hold the design and building technology of the new generation vlcc

    因此,對於我們來說,對超寬淺吃水雙尾鰭超大型油船的開發研究,是一次全新的嘗試。通過這個項目,我們期待盡快掌握新一代vlcc的設計建造技術,才能抓住機遇,在vlcc市場競爭中立於不敗之地。
  19. The fish ' s tail fin was hurt

    這條魚的尾鰭受傷了。
  20. For a long time, fish - like robot always is a research focus on the bionic scientific research field. one of the research branches is fish - like robot that imitates tunny ’ s swimming mode. it has high capabilities of propulsion and high maneuverability

    長期以來,仿生機器魚一直是仿生科研領域的一個研究熱點,其中一個研究分支是模仿金槍魚等?科加新月形尾鰭推進模式的仿生機器魚,其特點是能源利用率高,推進速度快,適于長時間、大范圍的水下作業。
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