有推進力的 的英文怎麼說
中文拼音 [yǒutuījìnlìde]
有推進力的
英文
propulsive- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 推 : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
- 進 : 進構詞成分。
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 的 : 4次方是 The fourth power of 2 is direction
- 推進 : 1 (推動工作 使前進) push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
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Their humbler followers, such as partridges have a like power of strong propulsion.
它們的低級同類,如鷓鴣,有一種同樣大的推進力。Their humbler followers, such as partridges, have a like power of strong propulsion, but soon tire.
它們的低級同類,如鵪鶉,有一種同樣大的推進力,但很快就疲勞了。If prolusion is improved and streamline is not, then a swimmer will go faster
如果推進力改善而流線型沒有改善,那游泳運動員會游的更快。Thus, the best streamlined position without any propulsive force is undesirable
因此,即便是最好的流線型位置但如果沒有任何的推進力就是不可取的。Application of downhole hydrodynamic propulsors solves the problem of exerting wob, and are helpful to enhancing penetration rate
井下液力推進器的應用在一定程度上解決了鉆壓的施加問題,有利於提高鉆進速度。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
計算結果表明游動過程中的形體阻力隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時,形體阻力具有局部最小值,結論與實驗觀測結果相吻合;在實驗觀測的典型運動參數下,波動面的運動方程中的非對稱因素的出現使推進力增大約1 . 10倍。The paper build a model of electric ship power system, include the model of motor and generator derived from simulink, the model of propeller build by the author, the model of load flow. after the process of model simulation, the dynamic curve of electrical ship were drawn out
應用simulink已有的電機模塊,再自行建立螺旋槳的simulink模型,結合數據庫模塊和用戶自定義的s函數模塊,建立了電力推進船的船?機?漿匹配模型,並進行了模擬計算和動態特性模擬,並進行了模擬結果分析。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。Extreme negative and positive acceleration phases are not a characteristic of swimmers who must be efficient ( e. g., 200 m plus ) who usually demonstrate high rates, almost continuous propulsive force production, and minimum periods of time in long " sculling boat " positions
最終的負加速度和正加速度階段並不是一個有效率的(例如200多米)和經常呈現高效的,能夠持續產生推進力和盡可能減少處于長的皮劃艇位置的時間游泳運動員的特徵。The rangoon - one of the peninsular and oriental company s boats plying in the chinese and japanese seas - was a screw steamer, built of iron, weighing about seventeen hundred and seventy tons, and with engines of four hundred horse - power
仰光號是印度半島和遠東公司的一條郵船,經常在中國和日本的沿海航行。這是一艘有螺旋推進器的鐵殼船。總重一千七百七十噸,正常運轉是四百匹馬力。It is encouraging to note that in recent dialogue sessions with government leaders, malay representatives from all levels had brought up and discussed frankly problems of concern to them. such exchanges will enhance understanding and trust among different groups and contribute to a more cohesive society
令人感到十分鼓舞的是,最近,馬來族群的代表和政府高層領導人在座談會面對面的坦誠的對切身問題進行討論,這對于增進各族群之間的了解與諒解,互信互愛,加強團結愛國的凝聚力,都是有很大的推動力的。Armor concentrations - the dense concentration of strong firepower, the high mobility, and the survivability of rapidly advancing large groups of tanks were far more than anything seen before it in any ground battlefield in history
集中使用裝甲部隊? ?高度集中的強大火力,快速機動能力,還有迅速推進時的強大生存能力都使裝甲部隊遠超過以前歷史上任何一場戰爭中出現過的任何部隊。Statistically, it makes a quantitive analysis on the evolvement of the country economic structure in xi ' an city, the economic benefit of the changes in industry structure, the effect on labor resource collacation in industry structure and the effect of the increasing income of countrymen in industry structure changes, which discloses a rule of the industry structure evolvement in country. the putting forward of the non - agriculture industry in country, especially the rapid increase in country industry will promote the rise of the country industry level for a long term. the country industry structure influences a lot the increase of the farmer ' s income which is also affected by agriculture structure and planting structure, but less. the non - agriculture industry plays a main role in the increase of farmer ' s income. for the low level of the townlization and industrialization, developing industry, construction and commercial in country is very feasible to resolve the problem of spare labors in country. it is strengthening labors transferring and reducing the modulus of labor over the infield that farmers income could be kept increasing. after a theoretical analysis and twenty years practise in the regulation of country economy structure after the reform and opening policy in xi ' an, a new thought of regulating country economy structure in xi ' an is put forward that a strategic regulation must be taken in country economy structure and the agriculture structure must be optimized. moreover, an expanding agriculture must be developed and transfer the spare labors in country effectively. so the government function during the regulation of country economy structure is transferred to : the first one, making the stress policy in the regulation of country industry structure. 2ndly, strengthening the force in regulating country industry structure ; 3rdly, making a plan on the regulation of country industry structure ; 4th promoting the optimizition and upgree of industry relying on sci - tech progress ; 5th enhancing the townlization and optimizing the country industry structure ; last one, improving the quality of labors in full scale
本文在概述經濟結構理論的基礎上,第一次系統地研究了西安市農村經濟結構調整,用數據統計的方法,定量、定性地分析了西安市農村經濟結構演變的軌跡,分析了產業結構變動的經濟效益、產業結構勞動力資源配置效應、產業結構變動的農民收入增長效應,揭示了農村產業結構演變的規律。提出農村非農產業,尤其是高速增長的農村工業,對促進農村產業水平的提升起著長?推動力的作用;農民收入增長直接受農村產業結構的影響最大,農業產業結構、種植業結構對農民收入有影響,但作用不可高估;非農產業是農民增收的主要支撐力量,解決農村余勞動力在城鎮化、工業化水平不高的情況下,切實可行的選擇是在農村發展工業、建築業、商飲業等非農產業;農民收入要保持快速增長態勢必須加大農村勞動力轉移力度,減少耕地承載勞動力的系數。通過理論分析,結合西安市改革開放后20多年的農村產業結構調整的實踐,提出了西安市農村產業結構調整的發展思路及目標、原則,明確指出了政府在農村經濟結構調整過程中的職能轉變的重要方面:一是制定農村產業結構調整的傾斜政策,二是加大對農村產業調整的投入力度,三是制定產業結構調整的規劃,四是依靠科技進步促進產業優化和升級,五是加快城鎮化過程,優化農村產業結構。In order to set up the dynamic model of swimming micro robot, this dissertation builds up the statics model and analyses the micro motion amplifying performance of micro robot mechanism, builds up the vibration model of micro robot and analyses the vibrating performance without and with damp, researches the propelling force of driven wing and the resistance of micro robot in liquid based on the theory of flat board resisting stream, builds up the dynamic model of swimming micro robot for the first time in nation and analyses its swimming performance which is influenced by driving signal frequency, amplifying performance of main machanism, area of driven wing, character of fluid and so on. this dissertation manufactures the micro robot and sets up the experimental environment and tests the amplifying effect and the vibrating performance
本文建立了主體機構靜力學模型,研究了主體機構的結構參數對微位移放大性能的影響;建立了主體機構振動模型,研究了主體機構在無液體阻尼和有液體阻尼情況下的振動特性;根據流體力學平板繞流理論,研究了驅動翼產生的推進力和微機器人在流體中受到的阻力;在此基礎上國內首次建立了泳動微機器人的動力學模型,並對模型進行了深入的研究,詳細闡明了驅動信號頻率、主體機構放大性能、主體機構振動特性、驅動翼面積、液體性質等因素對微機器人泳動特性的影響。The best streamlined shape possible but one which supports the most efficient production of propulsive forces is a more complete concept for contemplation positions in the water for speed swimming
一個最佳的流線型可能是最好的但是如果能和競技游泳中的預期位置及有效的產生推進力等要求相結合才更加完善。The planes are powered by two general electric ge90 - 115b engines, which the company said is the world ' s most powerful commercial jet engine, with 115, 000 pounds of thrust
這款飛機配備了兩套美國通用電器公司生產的ge90 - 115b引擎。通用電氣公司表示,這是迄今世界上最強大的商用噴氣機引擎,具有11 . 5萬磅的推進力。At liftoff, the three clustered boosters generate two million pounds of thrust. the rocket can place about 50, 000 pounds into earth orbit
這三個串聯的推進器總共產生2百萬磅推進力。因而該火箭將用來部署5萬磅重量的有效載荷到地球軌道中。Each has a liquid - hydrogen engine that delivers 650, 000 pounds of thrust, almost twice the power of a space shuttle ' s main engine
每一個推進器都有一個液氫發動機,該發動機每個提供65萬磅推進力,將進是現行太空飛船的主發動機兩倍推力。A swimmer who can apply propulsive forces, with the least amount of non - propulsive time between applications, will approach more closely an inertial swimmer, which will be the best form of swimming for energy conservation and allocation
一個能產生推進力並在運動過程中保持最少非推進時刻的游泳運動員將更加接近一個慣性的游泳運動員,也就是能在游泳的能量的保持與分配中擁有最佳形態的人。It was really this last christmas that most of the machines had the cd rom drive in it
它真的是大部份機器在它裏面有激光唱碟rom推進力的這個最後的聖誕節。分享友人