median fin中文什么意思

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用"median fin"造句

奇鰭

median: adj. 1.中央的，中間的。 2.【數(shù)學】中線的，中( ...
fin: n. 芬蘭人。
fin: n. 1.鰭，魚翅；鰭狀物。 2.手,臂。 3.【航海】(潛水艇的)鰭板，水平舵；【火箭】舵；【航空】穩(wěn)定器，安定翼；【軍事】彈尾；【機械工程】翅，尾翼，周緣翅片；散熱片。 4.〔美口〕(人的)頭。 5.汽車尾部的突起裝飾物。 6.＝ flipper. the anal [caudal, dorsal, pectoral, ventral] fin 臀[尾、脊、胸、腹]鰭。 fin, fur and feather 魚類，獸類與鳥類。 a cooling fin 冷卻片。 damping fin 阻尼片。 rear fin 尾翼。 Shark's fin 鯊魚翅。 Tip [give] us your fin. 〔俚語〕讓我們握手。 vt.,vi. (-nn-) 1.把(鰭)切下。 2.(猛烈地)拍動(鰭)。 3.給…裝上翅片[鰭板]。 n. 芬蘭人。
median: adj. 1.中央的，中間的。 2.【數(shù)學】中線的，中(位)數(shù)的，中值的。 3.【語言學】(舌)邊音的；舌邊中間開放的。 the median line 中線。 the median artery (vein) 中動[靜]脈。 the median section 正中切面[切片]。 the median point 【數(shù)學】重心。 n. 【解剖學】中動脈；中靜脈；正中神經(jīng)；【數(shù)學】中線；中(位)數(shù)，中值。 adv. -ly
abdominal fin; pelvic fin; ventral fin: 腹鰭

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First , an experimental apparatus for undulatory dorsal / median fin propulsion modes is established . based on morphological and kinematic data of the body and the dorsal / median fins of specimens , the analysis shows that the slender body is well streamlined , symmetrical
本文的實驗觀測首先建立了背鰭/背臀鰭波動推進研究的生物實驗裝置,進行仿生對象形態(tài)學和運動學觀測,提取了仿生對象的形態(tài)學和運動學特征。
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于水下仿生推進器研制具有相當重要的參考價值。
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(shù)方程出發(fā),本文基于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(shù)對仿生對象的推進力和推進效率進行了理論估算,結(jié)果與blake的計算結(jié)果相吻合,從而驗證了所建運動學模型的有效性。
Since these theoretical analyses are based on inviscid potential flow theory , theoretical calculation and computational simulation may complement each other . the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling . the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions , which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of
計算結(jié)果表明游動過程中的形體阻力隨側(cè)向周期性擺動而增大;當背鰭前端位于身體側(cè)向最寬處時,形體阻力具有局部最小值,結(jié)論與實驗觀測結(jié)果相吻合;在實驗觀測的典型運動參數(shù)下,波動面的運動方程中的非對稱因素的出現(xiàn)使推進力增大約1 . 10倍。
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(shù)化描述,對與推進性能密切相關(guān)的若干形態(tài)學及運動學特征進行研究。

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median finとは意味

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median fin中文什么意思

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