鰭式 的英文怎麼說

中文拼音 [qíshì]
鰭式 英文
fin formula
  • 鰭 : 名詞[書面語] （魚類的運動器官） fin
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  1. The theory of wilkinson power combiner and ratrace coupler is analyzed by using the odd - even mode method in this thesis. on the basis of the theoretical analysis, we designed and tested the wilkinson power divider, the modified wilkinson power divider and ratrace coupler, good agreement is observed. in addition we propose a power combiner based on a waveguide - to - microstrip transition using antipodal finlines. this structure united the two functions of transition and equal power division, it can not only be used in the circuit power combiner but also be used in spatial power combiner

    另外提出一種基於鰭線波導微帶過渡功分器，該結構將過渡與功分兩種功能完全結合，不但可以用於電路合成式功率合成，也可用於空間功率合成中。對功率合成器，其主要指標是輸出功率和效率，其中提高輸出功率和效率的一個方法是在輸出端抑制諧波，主要是對二次諧波的抑制。
  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，著名的玫瑰尾斗魚。
  3. 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尾頸。
  4. Diagnostic characters for the recognition of species include the presence or absence of pectoral fin, the position of dorsal fin origin, gill opening, anus, nostril opening and eye, the cirri present or not, the dentition type, the body coloration, and the head pores or lateral line etc

    一般依據胸鰭的有無或發達程度，背鰭起點、鰓孔、肛門、鼻孔和眼等的相對位置，頜的發達程度和頜上是否具須，齒的形狀和排列方式，身體的斑紋，以及頭部和體側的側線孔數目等進行鑒別。
  5. To realize the undulatory control of the flexible fin, a locomotory model is analyzed and a distributed control structure is designed

    針對柔性長鰭特有的波動控制問題，本文分析了柔性長鰭的運動模型，並設計了一種分散式控制系統結構。
  6. 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，建立了月牙尾推進模式穩態游動的運動學模型。
  7. 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，以胸鰭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。
  8. Retractable fin stabilizer

    伸縮式鰭板穩定器
  9. The tuna fisheries catch was about 1. 4 million tons in 2000 with the majority of tunas, especially skipjack, katsuwonus pelami, yellowfin tuna, thunnus dbacares, and bigeye tuna, thunnus obesus. the main gears were purse, gillnet and long - line in the fishery

    產量140萬噸，以金槍魚類所佔份額最高，主要金槍魚漁獲種類依次為鰹、黃鰭金槍魚和大眼金槍魚，主要漁業方式為金槍魚圍網、刺網及延繩釣。
  10. The prototype to be flown on may 10 has been modified with work done on its air - intakes, strake and vertical fins, besides modifications in the fuselage

    這架重新設計了機身進氣道，邊條和腹鰭的新型原型機將於5月10日正式試飛。
  11. 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。
  12. The climbing perch " walks " by standing up on its fins and moving its tail back and forth

    攀鱸走路的方式是以魚鰭站立，並將尾巴來回擺動。
  13. In addition, the heat transfer rate and the ability of dehumidification for slit - fin - type heat exchangers are superior to the plain - fin - type coils

    此外，裂口鰭片型式的熱傳量及除濕率均高於平板鰭片型式的熱交換器。
  14. Typical estimation of kinematic parameters ( cruising speed, wave speed, wave length and frequency ) based on experimental data of the cruising specimens indicates there is significant correlation between cruising speed and other parameters

    在實驗觀測的基礎上，根據實驗樣本的形態及運動規律，建立了背鰭/背臀鰭波動推進模式的運動學方程。
  15. The undulatory dorsal / median fin propulsion modes as represented by amiiform and balistiform fish are of great significance for bionic propulsion research, particularly for the design and control of underwater vehicles, which are generally employed at slow speeds, offering greater maneuverability and better propulsive efficiency

    以弓鰭目和鱗?科魚類為代表的背鰭/背臀鰭波動推進模式對於水下仿生推進器研製具有相當重要的參考價值。
  16. Finally, the values of kinematic parameters in typical swimming are estimated for theoretical calculation and computational simulation. based on the kinematic formulation, this paper applies large - amplitude elongated body theory to propulsive performance of undulatory dorsal / median fins and establishes a set of equations for estimation of the propulsive force and the propeller efficiency. the calculations based on experimental data coincide with blake ’ s result in 1980

    從波動運動的參數方程出發，本文基於大擺幅伸長體理論對背鰭/背臀鰭波動模式的推進性能進行了分析，推導推進力和推進效率的計算公式，利用實驗觀測典型運動參數對仿生對象的推進力和推進效率進行了理論估算，結果與blake的計算結果相吻合，從而驗證了所建運動學模型的有效性。
  17. Based on bionic experiments in gymnarchus niloticus and rhinecantbus aculeatus, this paper presents a parameterized description of undulatory dorsal / median fin propulsion modes. by referring to large - amplitude elongated body theory and computational fluid dynamics simulation, this paper also provides an explanation of the external morphological and kinematic phenomena that are closely related to propulsion characteristics

    本文以「尼羅河魔鬼」和「鴛鴦炮彈」為仿生實驗對象，建立背鰭/背臀鰭波動推進模式的參數化描述，對與推進性能密切相關的若干形態學及運動學特徵進行研究。
  18. But it has a defect : at the fast speed it " s ability of reducing shake is very poor

    而減搖鰭作為一種主動式減搖裝置，在船舶減搖方面已得到廣泛的應用。
  19. It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion

    討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對流管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施：降低平均煙氣流速；降低飛灰濃度；使用鰭片管、螺旋翅片管代替光管；選擇合適的結構及排列方式，減少煙氣中so3的含量；提高受熱面壁溫使之大於煙氣的露點溫度；採用抗腐蝕材料作受熱面等防腐蝕的措施。
  20. This paper presents an overview of the swimming mechanisms and the caudal fin locomotion employed by fish. a practical method is brought forward that use the track of the caudal fin oscillating to study the locomotion of the robotic fish. and this paper mimic the bcf ( body and / or caudal fin ) propulsive fish with a three - link robotic fish model ( oucefish - i ) for oscillating foil propulsion, and then describes the design ( hardware and software ) of it in detail

    本文對魚類的游動機理和尾鰭運動學原理進行分析，提出利用尾鰭擺動軌跡研究機器魚的運動學原理方法，設計並實現了一種三關節仿bcf （ bodyand orcaudalfin身體加尾鰭）高效推進方式機器魚模型（ oucefish - ） ，通過對機器魚的姿態、運行軌跡進行控制和分析，並對機器魚的實驗結果做了分析，達到研究分析機器魚的運動學原理的目的。
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