閉軌道 的英文怎麼說

中文拼音 [bìguǐdào]
閉軌道 英文
closed orbit
  • 閉 : Ⅰ動詞1. （關; 合） close; shut 2. （堵塞不通） block up; obstruct; stop up Ⅱ名詞（姓氏） a surname
  • 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） ...
  • 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 （...
  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. Orbit non - friction ball valve is a new type of valve and realizes non - friction switching and metal pressurization of the valve by cam mechanism. this paper researches the design of orbit non - friction ball valve mechanism and its computer aided design. the main work and the result are as follows : the author puts forward the kinetic analysis method of orbit non - friction ball valve, analyses the track and motion space of the conglobulation for switching etc, and brings forward rule of its configuration design, designs its assembling body and all the part

    本論文對軌道式無摩擦球閥機構設計及計算機輔助設計系統進行了研究，取得了以下幾方面的成果：提出了軌道式無摩擦球閥的運動和動力分析方法，完成了球閥啟閉運動軌跡、球體運動空間以及主要零部件的受力等分析，進一步提出了球閥結構設計的準則，完成了球閥裝配件及所有零部件圖的設計。
  3. The bulk of the mass is spread out, forcing stars to trace a spirograph - like rosette : an ellipse that does not close on itself but gets offset each time the star completes one revolution [ see box at right ]

    整體質量分散開來，迫使恆星運行方式如旋轉繪圖盤所畫出的花瓣狀螺線：那不是每圈都會封閉起來的橢圓，恆星繞行一周后，軌道並不接合便又重新開始下一周的運動（見右方整理軌道秩序） 。
  4. Specifications for enclosed - track underhung cranes and monorail systems

    封閉軌道懸掛式起重機和單軌系統用規范
  5. Backlocking track circuit

    反鎖閉軌道電路
  6. Observation of the on - off sequencing of characteristic spectral lines from tracer materials arranged in layers in, or surface patterns on, planar or spherical targets can provide a record of radial or lateral energy transport processes in laser - generated plasmas

    測量激光聚變靶產生的軟x射線時間變化連續譜的形狀，可以知道許多x射線產生過程的詳細動態記錄，這有助於理解實驗的熱學條件。觀察軌跡特徵譜線的閉合序列，能提供關于激光等離子體激發能量和滯后能量的傳輸過程記錄。
  7. Supported by related government departments and industry associations, the “ 2006 china international public utilities and metro and rail transportation exhibition ” was successfully closed in china international exhibition center on august 11th of 2006

    在國家相關政府有關部門與行業協會的大力支持下， 「 2006地鐵及地下軌道交通設施展覽會」於2006年8月11日在北京中國國際展覽中心勝利閉幕。
  8. It also calculates theoretically the minimal time interval between two trains in quasi - moving - block signaling system and recommends approximate values for the length of coded digit track circuit. the rapid development of urban rail transit demands a deep understanding on the features of track circuit

    在此基礎上，針對當前應用廣泛的基於數字軌道電路的準移動閉塞atc系統進行了重點分析，詳細討論了數字軌道電路的原理、準移動閉塞系統的列控方式等內容，並對準移動閉塞下的最小列車追蹤間隔時間進行了理論計算和分析，給出了數字軌道電路長度的推薦值。
  9. The closure of the unitary orbit of thestrongly irreducible operators in continuous nest algebra

    連續套代數中強不可約運算元的酉軌道閉包
  10. Approach locking track circuit

    接近鎖閉軌道電路
  11. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計，該航跡產生器是研究組合導航問題的前提，從國外一些研究組合導航系統的文獻中可以看出，設計這樣一個航跡產生器是非常必要的，所以本文自行設計了這樣一個系統；還討論了捷聯慣性導航系統中捷聯解算的方法，並進行了模擬研究，由於在本文設計的閉環反饋式組合導航系統中，對捷聯慣導系統的平臺誤差進行閉環控制，需要將濾波器輸出的校正量反饋到捷聯解算內部，所以必須對捷聯解算進行深入的研究和分析，更何況捷聯解算問題本身也是導航界的一個熱門研究課題；另外，本文還介紹了gps軌道及其星座模擬的設計思想和方案，與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始，逐步進行gps軌道及其星座模擬，這樣的設計方法對從事衛星導航的研究工作是有價值的；還對組合導航中誤差建模方法進行了研究，綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法，並運用實際研究工作中的測量數據對該方法進行了驗證。
  12. Such rapid change unleashes stresses between societies and within them that could easily throw us off course - division where there is now international cooperation, stagnation where there is now growth, closed barriers where there is now open trade

    變化過于迅速時，社會之間及其內部的不安因素就會釋放出來，很容易將我們拋離軌道，造成割裂國際合作不復存在，經濟增長停滯，壁壘關閉開放貿易不再。
  13. We extend this result which is similar to ones of hirsch [ 1l ] and jiang [ 2 ] for 3 - dimensional cooperative system. furthermore, in the paper we discusse the cone of km, and obtain the similar result : theorem b : let f be a continuously differentiable cooperative vector field on d, suppose the following conditions hold : ( a ) d is pm - convex ; ( b ) every forward semi - orbit has compact closure in d ; ( c ) there is not more than one equilibrium p, then there is a unique equilibrium p and it is globally asymptotically stable

    此外，本文還將在k _ m錐下討論此問題，並得到平行的結果：定理b ：設f是d上一個連續可微的合作向量場，假設如下條件成立： （ a ） d是p _ m凸的； （ b ） d中的每一個正半軌道有緊閉包； （ c ）至多有一個平衡點p ，則一定存在唯一的平衡點p ，並且是全局漸近穩定的。
  14. On the basis of the brief introduction about the foundation and characteristics of moving - like block, this paper makes detailed discussion about the safety time interval between two trains, offers computation formulas, lists some calculation results and analyzes them

    本文在簡略介紹準移動閉塞特點的基礎上，推導出了城市軌道交通工程項目設計中移動閉塞、常規自動閉塞和準移動閉塞的列車安全間隔時間計算公式，並根據本文得到的計算結果提出準移動閉塞中定位單元長度的優化設計推薦值及有關結論。
  15. The calculating results show : ( 1 ) most of samples are located in 5 kpc - 10 kpc from galactic center. all of the sample clusters present a spherical symmetrical distribution around the galactic center, and their space velocities are presented a ellipsoidal distribution ; ( 2 ) according to the metallicity and basic characters, the sample clusters are separated into hb subgroup and mp subgroup. the number of samples are changed with metallicity [ fe / h ], and there is a peak at [ fe / h ] = - 1. 6 ; ( 3 ) the orbits of sample clusters show mostly limited, periodic characteristics, but the orbits are not closed completely, their maximal galactocentric distance is less than 40 kpc

    計算結果表明： （ 1 ）大部分樣本星團都位於銀心距5kpc 10kpc的范圍內，相對于銀心呈球對稱分佈，它們的速度也呈橢球分佈； （ 2 ） 29個樣本星團按其金屬度大小和基本性質分類，可分屬hb和mp兩個球狀星團次系，且樣本星團數隨金屬度[ fe h ]而變化，在[ fe h ] = - 1 . 6處出現一個峰值； （ 3 ）所有樣本星團的軌道運動都呈周期性，大都在一個有界而不封閉的周期軌道上運動，其最大銀心距都在40kpc以內。
  16. Based on an analysis on the present situation and development of three kinds of signal systems ( the point system based on interrogator responsor, the quasi - moving block system based on digital track circuit and the moving block system based on wireless data transmission ) in urban rail transit, some suggestions on the localization of signal system of urban rail transit are put forward

    摘要在分析三種城市軌道交通信號系統制式（基於查詢應答器的點式系統、基於數字軌道電路的?移動閉塞和基於無線數據傳輸的移動閉塞）的現狀和發展基礎上，對實現我國城市軌道交通信號系統國產化提出建議。
  17. With an introduction of the moving block system applied in wuhan rail transit project, the author analyzes atc operation mode which is based on moving block technique, and fallback mode, an auxiliary safety operation when fault occurs in moving block system, finally describes the failure management in the operation of the 1st phase of wuhan urt line 1

    摘要以武漢軌道交通1號線一期工程信號系統的移動閉塞為例，介紹了移動閉塞技術下的atc模式以及針對工程項目制定的運營輔助手段後退模式，並討論了一期工程中運營的故障管理策略。
  18. The ministry of railway has developed two kinds of frequency - shift track circuits based on the primary 4 - information frequency - shift system : 18 - information frequency - shift auto - blocking track circuit made in china and um - 71 jointless track circuit made in france, and put them into use on some important lines. but at the mean while, the safety of running train becomes austerer and austerer

    鐵道部根據我國國情，在原有4信息移頻制式的基礎上，研製開發了兩種移頻軌道電路:國產18信息移頻自動閉塞系統和法國um - 71無絕緣軌道電路系統，並將其應用到我國部分主要線路上。
  19. Perhaps, the most famous one is the comet halley, it has a closed orbit with a period of 76 years

    最出名的封閉式軌道彗星當然是以76年的周期繞日運行的哈雷彗星。
  20. A comet with an open orbit will only visit the sun once. however, a comet with a closed orbit actually it is elliptical will visit the sun again and again

    以開放式軌道繞日運行的彗星只會經過太陽一次，但封閉式軌道彗星即橢圓形軌道則可造訪太陽多次。
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