軌道阻力 的英文怎麼說

中文拼音 [guǐdàozǔlì]
軌道阻力 英文
track resistance
  • 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） ...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 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...
  • 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 （...
  • 阻力 : 1 （阻礙事物發展的外力） obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. For example, it can be used to drag make - up and solar pressure cancellation of low orbit spacecraft, formation flying and precise positioning of small satellite, repos

    同時， mpt也可用於低軌道（ 300 500km ）航天器的大氣阻力補償，星際航行航天器的主推進，以及星座和小型衛星的編隊飛行和精確定位等，具有廣闊的應用前景。
  2. 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，隨著火車的提速造成的穩定和安全問題，軌道逐步轉為採用無縫焊接鋼軌，隨著鋼軌溫度的變化，無縫鋼軌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，可能會發生鋼軌嚴重變形，更甚者會發生脹軌跑道等嚴重鐵道事故，為了避免發生如此事故，有必要定期對鋼軌的溫度應力進行檢測。
  3. Unlike comet and asteroid orbital elements which can be reliably used for many months, satellite orbits are constantly changing due to both orbital maneuvering by the satellite and the effects of atmospheric drag

    小行星和彗星的軌道計算數據可以使用數月，但是人造衛星不行，因為它們的軌道會隨時被人造衛星自己或者大氣阻力所修正。
  4. Extreme ultraviolet radiation and x - ray created by magnetic field around the sunspots also cause the earth s atmosphere to heat up and expand. this will create additional drag to satellites or space shuttles orbiting at low altitudes and eventually pull them out of orbits earlier than expected

    太陽黑子附近的磁場所產生的遠紫外輻射和x射線，使地球大氣溫度上升並且膨脹，這對在較低軌道運行的人造衛星或太空梭帶來阻力，令它們比預期提早偏離軌道。
  5. Eventually atmospheric drag removes them from orbit by lowering their altitudes until they burn up on reentry into the dense lower atmosphere

    最終空氣阻力會使它們高度降低、移出軌道，在重返地表的過程中，被濃密的低層大氣燃燒殆盡。
  6. The principle of how to supply energy for system has also been studied. secondly, the orbiting satellites are affected by several perturbations. we put the main emphasis on the influence of the perturbations of the atmosphere drag and the earth ’ s eccentricity on the six orbital factors and the simulation ’ s accuracy

    其次，衛星在軌運行時將受到各種干擾力的影響，因此在研究精確地磁場模型電動力纜繩離軌系統的動力學特性的基礎上，著重研究了大氣阻力攝動和地球非球形攝動對衛星離軌過程中各軌道參數的影響。
  7. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ，街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落，但隨著都會地區機動車輛不斷增加，道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際，輕軌車輛技術已不斷提升，具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計，搭配先進控制系統及彈性的路權型式，使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點，如高性能輕軌列車與汽車共存，低底盤的車廂創造無障礙車站空間，道路即是車站設備，旅客可以在街區上下車，提供沿線居民高度的便利性，消除交通堵塞噪音及空氣污染等，輕軌系統並與街景充分的調和，成為活動的都市意象。
  8. The crucial technologies of highly - displacement well mainly include torque / friction and wellbore trajectory control tool, and these technologies require rock bit have the following characteristics : having gage protection ability, long axletree lifespan, wear - resisting shirt - tail and head o. d., and high - temperature - resistant sealed system, etc

    大位移井的關鍵技術主要有扭矩摩阻和井眼軌道控制工具，這些技術要求鉆頭具有以下特點：具有良好的保徑能力，軸承壽命長，掌尖和掌背部位耐磨損，密封系統耐高溫等。
  9. Above all, with the data acquired by tests, this thesis has analysized the lateral resistanc, longitudinal resistance and rail creep etc between ballast and sleeper before and after mass machine work, discussed the effect of mass machine on stability of continuously welded rail track, reseached the change regularity of fastening - down temperature of rail, which is resulted by mass machine work, and have settled the suitable range of work temperature which guarantees the stability of jointless railway. what ' s more, this thesis has put forward the appropriate work pattern, work temperature and work area for mass machine work in future. at the same time, this thesis has given rational suggestions about some conditions worth of attention in production of mass machine, which can in return raise the work productiveness of mass machine. at last, this thesis has considered formulating reasonable measures for operation organization and work standard, so that mass machine work can play an important role in maintenance, which can reduce work load, raise work efficiency and maintenance cost in daily maintenance

    本文通過實測的各種數據，分別對大機作業前後道床對軌枕的橫向阻力、縱向阻力、鋼軌爬行情況等進行深入分析，進一步探討大機作業對無縫線路穩定性的影響，研究大機作業引起的鎖定軌溫的變化規律，確定保證無縫線路穩定的合適作業軌溫范圍。為我國今後的大型養路機械作業提出合理的作業方式、合適的作業軌溫和作業地段，同時對大型養路機械作業中應注意的問題提出合理化建議，為大型養路機械作業提供更高的安全保障，進一步提高大機作業效率。最後，對工務段在大機作業中的配合制定完善的施工組織措施及作業標準，使大機作業在養護維修中發揮更大的作用，為工務段日常的養護維修減少工作量，提高勞動效率，降低維修成本。
  10. Taking account of the perturbation of the earth ’ s shape, the gravitation of the sun and the moon, the radiation pressure from the sun light and atmosphere drag, a precise orbital dynamic model of spacecraft is established in the equatorial geocentric inertial coordinate system ( j2000 )

    考慮了地球形狀攝動、日-月引力攝動、太陽輻射壓力和大氣阻力因素對飛行器的影響，在地心赤道慣性坐標系下建立了精確的軌道動力學模型。
  11. The same storm caused the atmosphere to inflate and dragged a satellite to a lower orbit prematurely

    該次太陽風暴也令地球大氣受熱膨脹，導致空氣阻力增加，使一個星提早跌至較低軌道。
  12. Increased radiation from the sun and occurrence of geomagnetic storms i. e. severe distortion of geomagnetic field of the earth may cause disturbances such as increases in density in the earth s upper atmosphere. these result in a greater drag on the movement of satellites and spacecraft, causing a slow - down or even a change in orbit

    輻射的增加及地磁暴即地球磁場急速變形的出現，會導致地球上層大氣的擾動，例如空氣密度的上升，從而使衛星和太空船在航行時受到的阻力大增，航行速度因而減慢，甚至軌道亦會改變。
  13. Increased radiation from the sun and occurrence of geomagnetic storms ( i. e. severe distortion of geomagnetic field of the earth ) may cause disturbances such as increases in density in the earth s upper atmosphere. these result in a greater drag on the movement of satellites and spacecraft, causing a slow - down or even a change in orbit

    輻射的增加及地磁暴（即地球磁場急速變形）的出現，會導致地球上層大氣的擾動，例如空氣密度的上升，從而使衛星和太空船在航行時受到的阻力大增，航行速度因而減慢，甚至軌道亦會改變。
  14. Railway applications - track - test methods for fastening systems - determination of torsional resistance

    鐵路設施.軌道.緊固系統的試驗方法.抗扭曲阻力的測定
  15. Railway applications - track - test methods for fastening systems - part 2 : determination of torsional resistance

    鐵路設施.軌道.緊固系統的試驗方法.第2部分:扭轉阻力的測定
  16. The paper tests tracks " dynamic responses by using euler beam model with no accounts of shear and rotary inertia effects and timoshenko model with consideration of shear and rotary inertia effects respectively

    不考慮軌道的幾何不平順，不考慮阻尼，分別採用不考慮剪切效應和轉動慣量作用的euler梁模型和考慮剪切效應和轉動慣量作用的timoshenko梁模型對軌道動力響應進行了模擬。
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