直線軌道 的英文怎麼說

中文拼音 [zhíxiànguǐdào]
直線軌道 英文
rectilinear orbit
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 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) ...
  • 直線 : 1. (不彎曲的線) straight line2. (急劇的) steep; sharp
  • 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. The mechanical environment is described in the paper and then the environments in three different orbits are proposed, called leo ( low earth orbits ), meo ( medium earth orbit ) and geo ( geosynchronous earth orbits ). the influence produced by the atomic oxygen, micrometeorites and debris, ionizing radiation and cold welding under vacuum is presented in the paper. some principles are proposed, which can be as the method to choose materials of the mechanism in space environment

    空間環境中力學環境對可動結構的影響接關繫到機構的設計問題,所以本文第四章中嶽建如:中文摘要浙江大學博士學位論文20024首先詳細論述了空間環境中的力學環境,然後給出了空間環境的三種環境劃分,及每一種環境影響因素對空間可動結構設計的影響,包括原子氧、離子射、溫度、微隕石和碎片以及真空冷焊現象等環境因素,提出了材料選擇的原則,為可動結構材料選擇提供了一定的依據。
  2. Studies on the optimum beam orbit correction for high energy electron linacs

    高能電子加速器束流校正的優化研究
  3. There are problems to choose which section plane as the best section plane before the oil well orbit optimized design because there have been ten - more kinds of section planes ( beeline and arc ' s combination ) and the oil well orbit should be fit of all stratum conditions

    考慮到工程上對油井剖面類型(圓弧組合)的描述多達十余種,以及實際施工時油井不僅需要滿足最優化條件,還要適應地質、地層和繞障等要求,因此存在井剖面類型的選擇問題。
  4. The classical analog of this state of motion is a straight-line trajectory back and forth through the nucleus.

    這個運動狀態的經典對應,是通過原子核來回運動的直線軌道
  5. So the true variety of martian mineralogy started to become apparent only in 2001, when themis, an infrared camera that my group developed for another nasa orbiter, mars odyssey, began mapping the planet with 100 - meter resolution

    因此到2001年themis (我的研究團隊為nasa的另一艘船火星奧德賽號所發展的紅外攝影機)開始以100公尺的解析度描繪火星,實際的火星礦物種類才變得明確。
  6. Railway applications - track alignment design parameters - track gauges 1435 mm and wider - plain line

    鐵路設施.設計參數.距1435mm和更寬.普通
  7. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於交通的跨度6米,高7 . 5米的地下隧這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市交通使用的地下隧圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於交通的地下隧狀態等三種不同狀態以及4個水平剖和4個垂等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂的應力_ 1 、 _ 2和_ ( xy )對比分佈曲; ( 3 )不同狀態下相同水平或垂的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  8. In this process, the thesis discusses detailedly the method which can improve the resolving power in measuring component and can deal with the probe circuit, and puts forward the design method of applied circuit. then the thesis discusses the methods of line and circle interpretation

    接著又討論了計算機數控系統的控制策略,主要包括:知預定跡的與圓弧插補的方法、連續掃描系統的控制策略、 pid調節器的設計及pid參數的整定方法等。
  9. The study of these lines led to the bohr atom model and on to our present understanding of the electron hull of the atom as described by the orbital atom model which is the basis of all understanding of chemistry

    在對于譜的研究基礎上,產生了玻爾原子模型,至現今描述原子中電子殼層結構的原子模型,該模型是今天我們對于化學的所有認識的基礎。
  10. Dc electric railcar - wire code symbol

    流電動車.接代碼和符號
  11. The vision sensor is fixed on the end - effector of the robot. when the robot makes a linear movement along the " v " measurement track, the linear light from the laser electropult on the sensor is projected on the track to shape laser strip with three turning dots and imaged in ccd camera. the relation between the sensor coordinate and the measurement track coordinate can be computed by image processing and pose measuring, which indirectly describes the characteristic of the robot ' s linear trajectory

    該系統利用結構光幾何成像原理和視覺圖像處理技術,將視覺傳感器固定在機器人末端,當機器人沿「 v 」形測量運動時,傳感器上的激光發射裝置發出的狀光源投射在測量上,形成具有三個拐點的激光條,並在ccd攝像機中成像,通過圖像處理技術和位姿測量技術,得到傳感器坐標系相對于測量坐標系的位姿關系,從而間接描述機器人的跡特性。
  12. In the part of orbit control, the main ideas in study is to define the nonlinear control system on a riemann manifold from the global viewpoint, and to build the intimate relation between the geometrical structure of state space and the state equation of nonlinear control system ; in the part of attitude control, the main ideas in study is to deduce mathematical model with good character based on global differential geometry ideas as well as li group and li algebra, moreover, to design corresponding control schemes

    控制部分,研究的主要思想是從整體化的觀點出發定義一種建立在riemann流形上的非性控制系統,將狀態空間的幾何結構與控制系統的狀態方程建立接的聯系。在姿態控制部分,研究的主要思想是以整體微分幾何方法為工具,以李群與李代數等數學理論為基礎,從數學角度建立具有良好性能的數學模型,並設計出相應的控制方法。
  13. However, the moon s path is tilted about 5 to the ecliptic, making the alignment of the sun, the earth and the moon in a straight line a relatively rare case. only when the sun and the moon are close enough to the nodes crossing points of the ecliptic and the moon s paths during full moon, a lunar eclipse can occur

    要注意的是,由於太陽和月球在天空的稱為黃和白並不在同一個平面上,而是有約5度的交角,所以只有太陽和月球分別位於黃和白的兩個交點附近,才有機會連成一條,產生月食。
  14. 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,本文從設計等接觸應力內曲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和滾動體間正壓力的各個因素,得到正壓力的簡化表達式。
  15. In the higher velocity, especially in the critical velocity, the continuous model is invalidity. 2, in this paper, assume that the track and wheels are ideally smooth and no carriage or wheel - axle bending vibrations occur. invoke the basic hypothesis of the bernoulli - euler theory of beams : namely, that plane cross - sections initially perpendicular to the axis during bending

    2 、在對連續性模型的分析基礎上,假設與車輪為理想光滑的、沒有車輛和輪軸激起的振動,引用bernoulli - euler梁理論的假設:即垂於梁軸的橫截面在彎曲過程中仍然垂於梁的中性軸。
  16. At first, the author analyzed some chief factors such as light beam drift and atmospheric turbulence that affect the precision of the laser collimation in brief. then, the author studied the plan of the laser collimation generating nondiffracting beam and automatic level system with high precision. at last, the author completed the measurement of the straightness guideway by using ccd ( charge coupled device ) as the receiver and computer imaging processing

    文章首先簡要地分析了激光自身漂移、大氣湍流等影響激光準精度的主要因素,然後對系統的激光準方案進行論證,並確定了無衍射光束的生成方案、高精度自動安平系統的結構方案,最後以ccd為接收器件,通過計算機圖像處理,完成對性的測量。
  17. The linear motor system provides a whole new transportation mode for public transport of mountain city

    電機城市交通系統可為山區城市交通方式的選擇提供一種新模式。
  18. In terms of efficiency in energy consumption, traveling among planets in straight lines not from desirable. today, space probes customarily make use of hohmann transfer orbits and gravity assists in their interplanetary endeavours. this method, though still quite costly, does help to save fuel to a certain extent

    在太陽系的行星中穿梭,航行並非理想的路,現在的探測船均使用赫曼轉移以太陽為焦點連接行星的橢圓,再配合行星推助的技術航行探測船經過行星時偷取行星的能量加速或減速。
  19. As a new - style land vehicle, the magnetic levitation vehicles rely on electromagnetic forces to suspend the train on the railway and advance by linear synchronous motor. they can run placidly at high speed without wheels and transmission machines. since the magnetic levitation vehicles have low maintenance prices and circumstance pollution, they have favorable development foreground

    作為新型的陸上交通工具,磁浮列車依靠電磁力將列車懸浮於上,用電機推進,它沒有車輪及相應的傳動機構,與地面無機械接觸,可以高速、平穩地運行,並且運營維護費用低,無環境污染,具有良好的發展前景。
  20. The concrete method to determine hopf bifurcation speeds of the train ( vehicle ) on curved tracks and tangent lines are described

    論文首先描述了和曲情況下列車(車輛)系統hopf分叉速度的具體求法。
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