軌道速度 的英文怎麼說

中文拼音 [guǐdào]
軌道速度 英文
circular velocity
  • : Ⅰ名詞1. (路軌;軌道) rail; track 2. (比喻辦法、規矩、秩序等) rut; path; course Ⅱ動詞[書面語] (遵循; 依循) follow
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 軌道 : 1 (供火車、電車等行駛的由條形鋼材鋪成的路線) track; pathway; rail; runway; circle; railway 2 (...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. At the same time, the construction of urban railway can promote the increment and exploitation of land, and induce the rationalization of city arrangement. however, constructing urban railway is costliness, as for urban railway, costing 700 - 900 million yuan / km, while, 300 - 500 million yuan / km is cost in constructing light track

    交通運能大,快、舒適、準點、對環境污染小,交通的建設能夠帶動沿線土地開發和增值,引導城市布局朝合理化方向發展。但是,建造城市快交通造價高昂,地鐵每公里造價高達7 9億元,輕造價也達到了每公里3 5億元。
  2. The star to be moving rapidly, perhaps in an orbit around the densely concentrated stars of the galactic nucleus.

    這顆星看來正在以高運動著,其運動大概就圍繞著由高密集的恆星所構成的銀河系核心。
  3. Librations are primarily caused by the moon ' s varying orbital speed due to the eccentricity of its orbit : this allows us to see up to about 6 more along its perimeter

    振動主要地由月亮所引起正在由於它的的古怪改變:這讓我們沿著它的周長見到達大約6更多。
  4. Orbital velocities in spiral galaxies, instead of declining with increasing distance from the galactic center, flatten out to a constant value, as predicted by mond

    螺旋星系中的軌道速度並不會隨著離開星系中心的距離增加而不停降低,它會平緩下來成為一固定值。
  5. How fast an object revolves depends on how much matter inside its orbit. if all the matters are visible, the orbital velocities of stars, say, near the edge of our galaxy will follow the red line below. however, we discovered that they are moving faster than expected, hence there must be more matters than we have seen

    天體的公轉,取決于在它內的物質的總質量,如果所有物質都是看得見的,那麼繞著銀河系旋轉的,理應如紅線所示,但是天文學家卻發覺它們比想像中走得更快,暗示銀河系的質量比所見的大。
  6. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型的主要特點是: ( 1 )它採用了三尺復合表面模型的思想來計算海面的電磁散射,考慮了中等尺波對紋波的進一步調製作用,彌補了傳統雙尺模型的不足; ( 1 )它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用,實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬; ( 3 )它把海面長波的軌道速度作為基本的動態成分,並依此來考慮海面運動對sar回波信號的影響。
  7. Focusing on the present condition of the investment and financing system in china, which could not adapting the requirement of the fast urban rail transit construction, the author puts forward several quoteworthy modes of investing and financing, such as bot tot, abs bond teasing and confinancing, and argues that these modes are within the suitable extent for our urban rail transit construction

    摘要針對目前我國投融資體制不適應快發展的交通建設需要的現狀,提出了bot 、 tot 、 abs 、債券租賃、聯合融資等可借鑒的投融資模式,並對這些投融資模式在我國交通建設中的適用程作了初步探討。
  8. As an effective traffic of light rail transit, it has been widely adopted by many large cities over the vorld, and a few cities of china are planning or building the light rail transit in our country, which has characteristic of saving investment, short construction period, high flexibility and low life - cycle costs for the light rail transit which can be constructed underground or high frame in crucial area, which can be suitable for the requirements of large capacity, high speed, safety and punctuality

    交通便是其中一種有效的交通方式,近幾年來在世界上各國大城市得到迅發展,我國也有十幾座城市計劃或正在建設輕交通。其具有投資少、建設周期短、靈活性強、運行成本低的特點,可在關鍵地段和市中心區採用高架或地下鐵結構,使其能運量大、快、安全、準點。
  9. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維湍流n - s方程以及顆粒模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程,兩相之間的質量、能量交換由液滴蒸發模型計算,氣相化學反應率由arrhnius公式計算,通過耦合求解氣液兩相模型方程,模擬了燃燒室三維流場,得到了燃燒室內的溫和組分濃分佈。
  10. The body travels in an ellipse, the fixed point being at on focus. the speed is greatest when body is near the focus, less when it is farther away

    物體沿著固定點在一個焦點上的橢圓運動。當運動物體靠近這一焦點時其最大,而當它遠離時則變小。
  11. Recently, train is running faster and faster, and considering the stability and security, seamless welded rails ( swr ) are used as the train orbits gradually. the temperature of the rails will vary with weather. so that the rails may release the energy due to the metal characteristic of expanding or contracting with temperature, there is some badly distortion in the swr, worsly occurring accidents on expanding orbits. the portrait thermal stress ( pts ) of the swr should be monitored in some parts regularly, as to avoid such accident

    近年來,隨著火車的提造成的穩定和安全問題,逐步轉為採用無縫焊接鋼,隨著鋼的變化,無縫鋼可能會因為熱脹或冷縮的金屬特性並且在扣件阻力小而且路基較差的路段釋放能量,可能會發生鋼嚴重變形,更甚者會發生脹等嚴重鐵事故,為了避免發生如此事故,有必要定期對鋼的溫應力進行檢測。
  12. Through theoretical calculation it gets the sizes required to make this device effective, proves this device can trig the cable car at any place of the railway when the tow steel wire ruptures suddenly provided that the desirable sizes are meted. it also calculates the trigging displacement, acceleration and time

    通過理論計算,得出了該套安全保護裝置合理的尺寸要求,證明了在牽引鋼絲繩發生突然斷裂時,該套安全保護裝置確實能將纜車系統制動在運行的任何位置,並計算出了制動位移,制動加和時間。
  13. Maglev, regarded as a " green " means of transportation of 21st century, has many remarkable advantages such as comfortable riding, high speed, good environmental adaptability, flexibility and nonpolluting, etc. compared with traditional railway train, maglev is running above the track

    磁浮列車以乘坐舒適、快、對地形適應性強、選線較靈活、無污染等特點,被稱為21世紀的綠色交通工具。和傳統輪列車相比,磁浮列車是脫離運行的。
  14. In order to predict the arrival time at 1au of interplanetary shocks, a simple model called disturbance model is established here. in this model, the travel time is assumed to be a function of energy that is released from solar explosives, and input pulse longitudinal width, input pulse duration, the interaction of interplanetary shock and background solar wind are also taken into account

    本論文考慮了激波爆發源角寬、能量、驅動時間、激波及其與背景太陽風之間的相互作用,利用流體力學擾動方程建立起一個激波擾動傳播模型,用於研究激波從太陽傳播到地球附近( 1au處)所需要的時間問題。
  15. To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. the research is divided into four parts : 1 ) taken all forces the piston endured into consideration when radial piston motor working, the force between roller ( or ball ) and orbit is deduced. the simple style of the press expression can be confirmed by ignoring minor influence factors after analysis all factors that will influence this press

    靜壓傳動技術在各類工程機械中得到廣泛的應用,對作為其核心部件的徑向柱塞式低大扭矩液壓馬達的研究顯得十分重要,為了能直接對這種馬達進行壽命估計,並能在相同工況下求得壽命最長的曲線,本文從設計等接觸應力內曲線的角對這類馬達作探討性的研究,主要從以下四個方面進行: ( 1 )綜合考慮徑向柱塞式液壓馬達工作時的各種主要受力狀況,對柱塞組件進行受力分析,並通過模擬分析影響和滾動體間正壓力的各個因素,得到正壓力的簡化表達式。
  16. Genzel ' s team has measured the orbital speed of gas clouds within 11 of these systems, giving the first unambiguous measurement of the mass of galaxies in the early universe : greater than 100 billion solar masses, as hefty as the biggest galaxies in the present - day universe

    甘澤爾的團隊已經在11個這樣的系統中,量測到氣體雲旋轉的軌道速度,因而首清楚得知早期宇宙中星系的質量:大於1000億個太陽質量,與現在宇宙中最大的星系相同。
  17. Based on the analysis of the lateral acceleration data of vehicles measured in shanghai metro lin, this paper suggests that the lateral oscillation force of the vehicles shall choose 10 % of the vertical load on a single wheel

    摘要根據鐵路車輛及上海交通3號線上實測車輛橫向加值,建議橫向搖擺力取軸重的10 % ,按目前承合構造,車輛偶然脫后可能橫向偏移左右各1 . 75m 。
  18. A rocket must attain a speed of about five miles per second so that it may put a satellite in orbit

    火箭必須獲得每秒大約五英里的,以便把衛星送入。 (為了能把衛星送入,火箭必須獲得每秒大約五英里的。 )
  19. Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used

    然後針對偏置動量飛輪系統,基於經典控制理論設計俯仰通的pid控制律,根據滾動?偏航通耦合的特點,分別討論了由角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時,結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中,為了解決不能獲得角信號的問題,採用terasaki提出的非最小相位控制器進行控制。
  20. Result shows : the vibration of vehicle is mainly relevant to velocity and uneven path. the higher the velocity is, the more uneven the path is, the more violent the vibration of vehicle is ; comparing dynamical response of middle bridge stride on vehicle passing bridge and on equivalent moving loads, the displacement is same but the velocity and the acceleration are different ; the result of velocity and acceleration of vehicle is big over the ground path than over the same path of bridge

    結果表明:車輛的振動主要和車不平順有關,車越高,越不平順,車輛振動的就越劇烈;車過橋時橋梁跨中動力響應與等效移動荷載作用下橋梁跨中動力響應比較,橋梁跨中的位移基本相近,和加則不同,等效移動荷載作用情況下的數值比較大;車輛過地面不平順時的、加比車輛過橋上同樣不平順時的數值大。
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