軌道方向 的英文怎麼說

中文拼音 [guǐdàofāngxiàng]
軌道方向 英文
orbital direction
  • 軌 : 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
  • 道 : 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） ...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 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 （...
  • 方向 : direction; orientation
  1. Moving - block signaling system indicates the development tendency of urban rail transit signaling system

    移動閉塞是城市軌道交通信號系統的發展方向。
  2. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型，以捕獲半徑的圓域定為目標集，確定目標集邊界上的可用部分，並以此為各狀態變量的起點，對時間進行倒向積分，求得線性方程組的解析解，從而確定了該追逃模型的線性界柵，以及界柵上對策雙方的最優推力，即求得了滿足最優策略時相對運動的軌跡和推力。
  3. 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

    軌道交通運能大，速度快、舒適、準點、對環境污染小，軌道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，建造城市快速軌道交通造價高昂，地鐵每公里造價高達7 9億元，輕軌造價也達到了每公里3 5億元。
  4. Of the millio of rocks it throws out of orbit at each visit, some hurtle earthwards ? ? and have several times nearly wiped out life on earth

    它每一次訪問太陽系時，都從軌道上甩出上百萬個巖塊，其中一些飛向地球的方向? ?有幾次幾乎摧毀地球上的生命。
  5. Of the millions of rocks it throws out of orbit at each visit, some hurtle earthwards ? ? and have several times nearly wiped out life on earth

    它每一次訪問太陽系時，都從軌道上甩出上百萬個巖塊，其中一些飛向地球的方向? ?有幾次幾乎摧毀地球上的生命。
  6. It has the good qualities of both tem horn antenna and dipole antenna, less dimensions construction, good direction and higher efficiency. its impedance and radiation are analyzed. good agreements are obtained from experiment and calculation

    這種平面喇叭天線採用了新型的平衡饋電方式，結構簡單，性能良好，同時結合了tem喇叭和振子天線的優點，結構維數低，具有較強的方向性、較高的效率，在uwbsar軌道系統實驗中取得了比較理想的結果。
  7. To seek for an optimum plan that properly integrates land resources and taps potential new senses of pride in urban economic development by respecting the history of industrial development and reflecting the scene of modernization in beijing, beijing municipal commission of urban planning and beijing municipal bureau of state land & resources are hereby inviting worldwide urban planning / design firms experienced in property, development, urban planning, urban design, landscaping and track transport design, or joint ventures of such firms, to apply for prequalification, which, as conducted by experts and government agencies organized by beijing municipal commission of urban planning and beijing municipal bureau of state land & resources, is intended to determine about six firms or joint ventures as participants

    為了使北京焦化廠工業遺址保護與開發建設的規劃能夠在尊重北京工業發展歷史和展現北京現代化發展風貌的基礎上，通過土地資源的合理整合，挖掘城市經濟發展的新亮點，找到一個最佳的建設規劃方案，現北京市規劃委員會和北京市國土資源局面向全球范圍，公開邀請具有地產開發、城市規劃、城市設計、景觀設計、軌道交通設計經驗的規劃設計機構或由上述機構組成的聯合體前來參加應征資格預審，由北京市規劃委員會和北京市國土資源局組織專家、政府有關部門進行資格預審，通過資格預審選取6名左右應徵人或聯合體應徵人參加徵集。
  8. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。
  9. The walking track rail of the bracket - type crane is installed on the cement post in the factory building, along which this crane can do the vertical movement. at the same time the electric block can finish the swinging function along the vertical and horizontal movement of spiral arms

    該機行走道軌安裝在廠房的水泥柱上，沿著道軌可做縱向運動，同時電動葫蘆又可完成沿旋壁的橫向運動以及垂直方向的起吊功能。
  10. The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed

    同步衛星自主導航與軌道保持技術研究：分別選取慣性空間位置矢量和採用hill方程表示的經、緯、向徑誤差作為狀態量，分析軌道動力學模型誤差、采樣周期以及敏感器測量、安裝等誤差對定軌精度的影響。
  11. First of all, with the advancing of national sustainable development strategy and the rising of green economic wave, many enterprises go on the path of green development, so it is quite necessary to have scientific theories and methods of enterprise green development strategy for direction

    首先，隨著國家可持續發展戰略的提出和綠色經濟浪潮的興起，許多企業紛紛走向綠色發展的軌道上來，因此亟需科學的企業綠色發展理論和方法的指導。
  12. It makes a leveling of all primary particles into different energy zones depending on knowledge energy property of each individual particle. motions of primary particles include energy exchanging with knowledge energy field around them and leaps between different energy zones

    在主模型中， 「知識能量」成為各層次基本粒子單元的主要屬性，不同能量等級的粒子處于相應的「軌道能級」上，其運動方式包括與知識場的能量置換和向高能級軌道的「躍遷」 。
  13. Click, can switch over the track direction, and then control train course

    點擊 ，可切換軌道方向，進而控制火車行進路線。
  14. Not only is it unusally large ( 40 percent more massive than pluto ), but it orbits neptune backward, the only large moon to orbit in the opposite direction of its host planet ' s spin

    它不僅有非同一般的大小（比冥王星還大40 % ） ，而且它還繞著海王星向後運轉，是唯一一顆運轉軌道方向與主行星相反的大衛星
  15. 1. assuming prismatic cross - section in the direction of the track, when the difference of the characteristic of soil along track is slight, and then processing expansion in wavenumbers along this direction

    為此，本文主要研究了以下幾個方面： 1 、在考慮軌道方向上地基土性質差別不大的前提下，取列車移動方向為相同的截面，並沿這個方向進行波數展開。
  16. In the present, the models used widely are two kinds : the continuous model. the continuous model is supported by " smearing out " the discrete support along the track. giving a continuous viscoelastic foundation and a continuous layer represent sleepers

    目前所使用的計算模型主要分為兩種：一種為連續型模型：將沿軌道方向的離散支撐連續化，將枕木模擬為剛體或為有均布質量和剛度的梁，使枕木成為粘彈性地基上的連續層。
  17. 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速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軌道曲線，本文從設計等接觸應力內曲線的角度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軌道和滾動體間正壓力的各個因素，得到正壓力的簡化表達式。
  18. The magnetic distribution of a - magnet is presented by analytic way and numeric simulation way. the single particle movement is studied in a - magnet and the movement rule of charged particle in ideal four poles magnetic field also is obtained. quantificational results of the incidence angle, trajectory length and the maximal distance in x direction are presented for ideal trajectory, and the equation indicates some important characters of a - magnet

    論文對-磁鐵的有關物理問題進行了較為詳細的論述，從解析形式和數值模擬兩個方面給出了-磁鐵的磁場分佈，對單個粒子在-磁鐵中的運動進行了分析，利用數值求解方法研究了帶電粒子在理想四極磁場中的運動規律，提出了歸一化運動方程和理想軌道等物理概念，定量給出了消色散的入射角、軌道長度和x方向最大距離的解析表達式。
  19. In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models

    本文對基於電動力纜繩的航天器離軌過程進行了深入研究，具體工作如下:首先，本文研究了電動力纜繩產生電動力拉力的基本原理，建立了精確地磁場模型;分別在偶極子模型和精確地磁場模型作用下，對電動力拉力的大小、方向、離軌時間及電動力纜繩傾角的大小進行了計算分析;建立了電動力力矩與纜繩系統重力梯度力矩的平衡關系;分析了電動力力矩為系統提供能量的原理;最後分別在偶極子地磁場模型和精確地磁場模型作用下，對受電動力纜繩作用的航天器的離軌過程進行模擬，分析了在不同精度地磁場模型下，航天器離軌過程中各軌道參數的變化情況，並比較了不同模型對離軌時間的影響。
  20. On the basis of the above model, the differential equations of the coupling system are derived

    推導了彈性輪對車輛軌道垂向耦合系統振動微分方程。
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