推換 的英文怎麼說

中文拼音 [tuīhuàn]
推換 英文
pushoff
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  1. In other words, the frequencies of those waves should be constant in time and space a priori

    句話說,那些波的頻率根據斷在時空上是常定的。
  2. Combined with the reseaching panoramic aerial camera with tdi ccd, the paper deduced the formula of imv with two methods. one is coordinate system transformation method, the other is orthogonal projective analytic method

    本文結合在研的tdiccd全景航空相機,用兩種不同的方法實現對像移速度公式的導:坐標系變法和正交投影解析法。
  3. Introducing a class of generalized fibonacci sequences with double variables, we establish the relation with aitken, secant, new - raphson, halley transformation etc., generalize the results of many authors. furthermore, we give a more general generalization of q - matrix

    通過引入一類雙變量的廣義fibonacci序列,建立了其與aitken 、 secant 、 newton - raphson 、 halley等變的關系,進而給出了q -矩陣的一個更廣泛的廣。
  4. And then, metal structure with aspect ratio 30 was obtained in our laboratory. eventually, a few micro parts with high aspect ratio were fabricated by liga process under the optimum condition. there were key parts of micro thruster, netlike nickel antielectron modulator, micro copper radiator, stainless steel micro components and many filter mediums with different shapes and dimensions

    最後,我們利用liga技術加工的獨特優點,以發展其高深寬比技術的實際應用,先後製作了狹縫陣列鎳結構微進器關鍵部件、薄壁網狀多孔鎳結構正電子慢化體、微型銅結構熱氣和多種材料不同、尺寸各異的過濾介質,還結合利用liga技術和微細電火花技術的加工優點,製作出了不銹鋼微結構
  5. The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合原理基礎上,採用坐標變導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘導主曲率等進行導,並給出算例。
  6. At yesterday s international mayors forum on sustainable urban energy development, the city fathers gleaned valuable experience from overseas experts and city governors about managing transportation systems. xu kuangdi, head of the chinese academy of engineering, yesterday urged city mayors to improve energy efficiency in buildings. they consume 30 per cent of the total energy in china, a percentage in keeping with its increased urban acceleration

    「城市,讓生活更美好」 ,上海以世博為契機,正從更高的起點審視城市發展目標,通過這項市民參與的活動,動市內公共客運長途客運省際旅遊客車出租車等更新代,使上海的公交車更人性化,更舒適更安全,讓這一城市流動風景線更加美麗。
  7. Type deduction ignores implicit conversions and coercions

    類型導忽略隱式轉和強制。
  8. Switches to the next live cpu, and so on

    ,然後切到下一個活動cpu ,以此類
  9. In this paper, the folio wings are introduced briefly : holonomic theory ; the basic idea that d. zeilberger used to prove identities using holonomic theory. and wu method is generalized to the non - commutative weyl algebra. furthermore, dialytic method of elimination is replaced by wu method, so the prove can be extended from the single - variable hypergeometric identities to multi - variable ones

    本文簡要介紹了完整性理論, d . zeilberger利用完整性理論證明恆等式的基本思想,將吳方法廣到不可交的weyl代數上,用吳方法取代了d . zeilberg在證明完整性函數恆等式的理論框架中的析配消元法,從而將這種證明理論由單變量超幾何恆等式的證明擴展到多變量超幾何恆等式的證明。
  10. Here we study the method of using com subassembly and ole automation technology to solve the integrate problem. this technology can fulfill the task of data ' s sharing and conversion, supporting the synchronization of space decision reasoning analysis and space information manipulation, realizing the seamless integration. the paper based on solving the evaluation of land using problem, by anglicizing the deficiency of gis ' s space decision and the merit of egis

    這里我作了用com技術及其統一數據傳輸機制和ole自動化功能進行es和gis集成的研究:其中,將es作為控制器, gis作為自動化對象連接起來,能很好地完成數據的轉與共享,支持空間決策理分析和空間信息操作的同步進行,本文由此重點討論了com及ole自動化技術。
  11. Three different momentnormalization methods have been used, two of which are based on affinemoment normalization technique and the third is based on reducing theaffine transformation to a euclidian transform

    三維紋理的光照不變性識別是一個很復雜的問題,這是因為對光照和仿射變的不變因子導是十分困難的。
  12. Assemblage ) represented the coastal shallow - water environment ; factor 2 ( protelphidium tuberculatum assemblage ) represented the alongshore cold - water current area or cold shallow sea environment ; factor 3 ( elphidium magellanicum assemblage ) represented the sh allow sea ( < 20 - 30m depth ) deposit ; factor 4 ( ammonia ketienziensis assemblage ) represented the shallow - sea water more than 50m depth ; and factor 5 ( buccella frigida assemblage ) represented the colder - water sea environment ; and the distribution of factor load accorded with the character of benthic foraminifer community

    Q型因子分析揭示ey02 - 2孔5種有孔蟲組合,分別對應濱岸鹽沼環境、黃海沿岸流冷水分佈區、高潮坪淺海沉積環境、水深大於50m的現代淺海環境及較冷的沉積環境。因子載荷的分佈與有孔蟲群落特徵吻合較好。南黃海有孔蟲含量? ?水深轉函數關系式有一定的局限性,並不能在南黃海陸架地區廣使用。
  13. Abstract : the more detailed mathematial derivation and analysis of watson transformation in diffraction theory of ground wave is made by two different method. in derivation necessary and approximate conditions requred to make the transformation are specially discussed

    文摘:採用兩種不同的方法對地波繞射理論中的瓦特松變問題做了較詳細地數學導,並著重討論了做瓦特松變的要求的必要條件與近似條件。
  14. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁矢量位邊值問題,得到了問題的解析解;最後依據不同坐標系下電磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將坐標系特殊安放時的電磁場解析解變到坐標系一般安放時的解析解,給出了球內電場和球外磁場的並矢格林函數。
  15. For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks

    對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型,分析結果表明,巖土層的熱儲溫度、導溫系數、埋地熱器進水溫度、流量以及地源熱泵系統的運行時間或開停機比,都對埋地熱器的傳熱過程產生直接影響,可以斷,對于該類型巖土層的地源熱泵系統,採用間歇運行將是有利的。
  16. Abstract : in fourier transform profilometry, because of the nonlinear relationship between the irradiant incident upon a ccd dete ctor andthe voltage it outputs, it will cause phase evaluation errors. here, we ex plain the errorsource by theoretical deducing, then make a simulation. at last, a method to decrease thiserror is put forward

    文摘:在傅里葉變輪廓術中,由於ccd探測器光電響應的非線性,將在測量中引入高次項,從而對相位的求解造成較大誤差,通過理論的導定性地解釋了誤差的來由,並用計算機進行了模擬計算,最後提出了減小誤差的方法。
  17. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的導過程和其他一些常用的模型;在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法,它綜合了上述兩種邊界條件的優點,在流場的各種邊界處理中取得了非常好的效果,經過模塊化的處理以後這種邊界條件具有更好的實用性;針對均勻網格的lb方法計算效率較低的不足,提出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的數據交,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優點,以及它所具有的應用前景。
  18. Using coordinate transformation method, the formula of imv on every point of image plane was deduced, and it included almost all motorial factors : the flight velocity of aircraft, roll, pitch, yaw, camera ' s scan and so on. thus, it is a precise formula, and it is also applied to frame cameras and push _ room cameras with array ccd

    利用坐標系變的方法可出像面上各點的像移速度公式,該公式包含了幾乎所有的運動因素:飛機的前向飛行、飛機的姿態角變化、相機自身的擺掃運動等等,是精確的像移速度公式。本公式同樣適用於畫幅式航空相機和線陣ccd掃型航空相機。
  19. Inference of the obverse of a proposition

    質法導一個命題的方法
  20. The opec increase in the price of oil launched the transition to alternative energy sources.

    石油輸出國組織提高石油價格,動了向代用能源的轉
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