整體近似 的英文怎麼說

中文拼音 [zhěngjìn]
整體近似 英文
global approximation
  • : Ⅰ形容詞1 (全部在內; 完整) whole; all; complete 2 (整齊) neat; tidy; orderly Ⅱ動詞1 (整理; 整...
  • : 體構詞成分。
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • 整體 : ensemble; whole; entirety
  • 近似 : approximate; similar; approach; approximation; roughness; propinquity
  1. Towards the research on two flood water of yuhe river in datong city during 2004, by measuring and comparing their discharge, sediment concentration 、 nutrient include organic, phosphorus, potassium, azote, the result shows that the nutrient content of the sediment is greatly larger than that of supernatant fluid

    摘要以2004年大同市御河乾渠兩場洪水為研究對象,對其流量、含沙量、養分(包括有機質,氮,磷,鉀)做了測定和比較,研究結果表明:洪水中下層泥沙中的養分含量遠大於上清液中的養分含量;洪水中養分含量隨著含沙量的增大而增大,並且養分含量和含沙量呈線性關系。
  2. By the polygonal approximation method, a global approximation solution is constructed for the initial - boundary value problem of nonconvex scalar conservation laws with two - side boundary effect, and its convergence to the global weak entropy solution of the corresponding problem is proved

    摘要使用折線逼法,對具有兩條邊界影響的非凸單個守恆律初邊值問題構造了整體近似解,並證明其收斂到初邊值問題的弱熵解。
  3. In the course of working, , the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

    與單向犁相比,其優點在於:耕地無開、閉壟,地表平,降低了耕后地的能量消耗,減少了地頭的空行程,因而大大提高班次生產率。為了滿足犁梭式作業的要求,我們採用了一隻小容積雙作用的液壓油缸;同時對犁壁曲面的形狀採用了圓柱形的對稱設計。但經過一段時間的田間試驗,我們發現:該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重;主犁梁和油缸缸的連接部分(即油缸底座)突然發生了斷裂,造成個犁無法正常工作。
  4. ( 2 ) based on the propagation equation of fgbs passing through unapertured paraxial abcd optical systems, the similar transformation conditions are obtained for the first time, which is expressed as that two fgbs with the same beam order have similar intensity distributions at the two positions of equal generalized fresnel number when they propagate through two ajb, cjdi ( i = l, 2 ) systems. furthermore, a comparison between a fob and a sgb of the same beam a ^ - factor but different waist widths is performed for the first time

    ( 2 )通過對作為的平頂高斯光束在無光闌限制軸abcd光學系統中傳輸公式的分析,首次得到了平頂高斯光束的相變換條件,即階數相同的平頂高斯光束在傳輸矩陣為a _ ib _ ic _ id _ i ( i = 1 , 2 )的兩個光學系統中傳輸時,在菲涅爾數相等的兩個面上具有相的光強分佈。
  5. At last, the surface of the alumina femoral head was grade - polished with sic micropowder and diamond grinding cream, the join part was trimmed with specific instrument, which made the surface of the alumina femoral head reach the degree of approximating mirror finish and match the femoral stem well. the artificial partial hip joint prostheses was finally got by articulating the alumina femoral head with ti alloy femoral stem coated with bioactive coating

    最後,採用sic超細粉和金剛石研磨膏對氧化鋁陶瓷股骨頭表面進行分級拋光,用專用器械修其聯接部位,得到表面具有鏡面光潔度並與股骨柄配合良好的氧化鋁陶瓷股骨頭,並與表面塗覆生物活性塗層的鈦合金股骨柄配伍,最終獲得人工半髖關節假
  6. Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations

    第三部分:在一維情形,我們考慮了一類帶導數項的ginzburg ? landau方程,通過構造一些類於發展方程守恆律的泛函及巧妙的積分估計,證明了當粘性系數趨于零時, ginzburg ? landau方程的解逼相應的帶導數項的schr ( ? ) dinger方程的解,並給出了最優收斂速度估計;在二維情形,我們證明了一類帶導數項的廣義ginzburg ? landau方程光滑解的存在性,以及在某種特殊情形下, gl方程的解趨於相應的帶導數項的schr ( ? ) dinger方程的弱解;在一般情形下,我們討論了一類ginzburg ? landau方程的非齊次邊值問題,通過幾個積分恆等式,同時估計解的h ~ 1模及法向導數在邊界上的模,證明了弱解的存在性。
  7. In section 2. 2, by a priori estimates and fourier spectral method, we prove the existence and uniqueness of the global smooth solution for the periodic initial value problem and obtain the large time error estimate between spectral approximate solution and the exact solution. in sections 2. 3 and 2. 4, by a priori estimates and galerkin method, we prove the existence of the global smooth solution and global attrac - tors for the initial - boundary value problem. chapter 3, consider the initial - boundary value problem of the multidimen - sional non - homogeneous gbbm equations

    第二章,考慮一類一維非齊次bbm方程,在第二節中利用fourier譜方法和先驗估計證明了具有周期初值問題的光滑解的存在性和唯一性,給出了fourier譜解和精確解的長時間誤差估計;在第三、四節中討論了初邊值問題,利用與時間t無關的一致先驗估計,證明了光滑解和吸引子的存在性。
  8. For the purpose of discovering the near - globally optimal solution, this paper proposed a hybrid approach of ant colony algorithm and sequential quadratic programming ( sqp )

    摘要為了獲得整體近似最優解,提出採用蟻群演算法,搜索發電機可運行狀態的最優組合,並對蟻群演算法的數學模型進行分析,以參數的形式給出具有普遍意義的收斂性定理。
  9. In fact, the adherence of young and old concrete belongs to the adherence research work of bimaterial. the simulation calculation shows that in the range of criterion provision of young and old concrete that the formula for calculating the splitting tensile strength of a monolithic concrete specimen can be used to a concrete specimen of young and old concrete when the difference of elastic modulus of young and old concrete is small

    新老混凝土的粘結實際是彈性模量不同的兩種材料? ?即雙材料的結合問題。本文通過數值模擬計算結果表明,在規范規定的修補結構新老混凝土強度等級差值范圍內,新老混凝土彈性模量相差不大的情況下,新老混凝土粘結劈拉強度可採用混凝土劈拉強度計算公式。
  10. Such market environment in turn exerts strong pressure on the gross profit margin of the group s embedded software and turnkey device solutions business

    市場以功能簡單和規格的低檔產品為主流,使集團的嵌入式軟套裝置方案業務之毛利率面對沉重下調壓力。
  11. We introduce some marks and lemmas before we construct chebyshev rational spectral formation of semi - discrete with respect to space. then we obtian the error estimate for the approximate solution and the existence of approximate attractor an, and besides, we prove the upper semi - continuty on the global attractor

    在引入一些本文所需的記號和引理之後,通過建立chebyshev關于空間方向的半離散有理譜格式,證明了方程解的誤差估計,以及在此格式下吸引子a _ n的存在性,並且得到關于原方程吸引子的上半連續性。
  12. The other, called " integral method ", is got by converting the problem to degree reduction of bi - variable polynomials with upper bounds using approximation theory and the relationships between chebyshev bases and bernstein bases

    另一個是將問題轉化為二元多項式的保上界降階問題,再由理論和chebyshev基與bernstein基的轉換關系,求得區間有理bezier曲面的降階逼的「法」 。
  13. Brings nothing but disappointment to the audience. the story of the movie is dry and tedious. other than exhibiting the not so captivating landscapes and nude bodies of her actresses, it just seems that antonioni is running out of idea to actually express his thoughts or further explore the subject matter

    部片單調而乏味一味展示女性胴和江山風情對白無無謂謂風格多年前美國一部情慾電視片集red shoes diaries色情中嫌保守文藝中嫌空洞是甚為令人失望的一部短片。
  14. In the us, the low core inflation rate seems to be converging with the significantly higher headline inflation rate with the passage of time and with temporary factors such as higher oil prices becoming permanent

    在美國,核心通脹率本來較通脹率為低,但隨著短期因素如油價趨升持久不去,前者乎已逐漸貼後者。
  15. With the method of the lie group transformation, the symmetry of the equation governing one dimensional finite strain consolidation is discussed and, from the point of the symmetry, the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed. where - after exact or approximate analytical solutions focused on different consolidation problems are obtained, these including : under some assumptions of relations of the void ratio with coefficient of permeability and effective stress, the method of lie group transformation is applied to solve the non - linear partial differential equation of large strain consolidation of homogenous saturated clay soil in semi - infinite domain with the consideration of the material and geometrical nonlinearity during consolidation procession. the implicit exact solution without considering the effect of self - weight of soil is obtained

    運用lie群變換方法討論了一維大應變非線性固結方程的對稱性,以及在該對稱性的意義下求解這類非線性偏微分方程解析解答的可能性,並就大應變非線性固結問題的多種情況求得了其完的或者的解析解答,具包括:基於有效應力與孔隙比以及滲透系數與孔隙比之間的關系的一些假定,採用李群變換求解考慮材料非線性和幾何非線性的半無限均質土大變形固結非線性偏微分方程,得到了一個不考慮自重固結的完全解析解。
  16. 7. the isi data of injured nerve with period 1 were calculated, but the apen is not very good. we solved the problem by replacing window - sd with full - data - sd

    大鼠損傷坐骨神經模型周期一的嫡計算效果不理想,用方差代替局部方差的方法解泱了這一問題。
  17. Furthermore, the pressure of soil can be exerted on anchor boards, so the stressed anchor can balance the pressure of soi1 through the anchoring. before the trench displaces, the anchoring pressure begins to work through the exertion of pre - stress. meanwhile, the stress pressure of anchor changes and is adjusted through shot concrete and its stressed steel. so the whole supporting system, which is similar with the pile - anchor supporting system, is finally formed, and it can limit the displacement of trenches

    錨桿的錨固力在基坑出現位移前,通過雨應力的施加即得以發揮作用,錨桿的受應生變化並通過噴射硅及其中的受力筋得以調,從而形成一個與樁一錨結構支護系統,起到限制基坑位移的作用。
  18. A new model of structural approximate analysis based on rbf nn is proposed on the level of global simulation. the numeric tests show that rbf nn has very good calculate characters and it is more suitable for structural approximate analysis than other feed - forward nns, such as bp nn

    構造了一個模擬層次的基於rbf網路的結構分析模型,數值試驗表明, rbf網路比bp網路等前饋神經網路更適合於用來進行結構分析。
  19. The institute of space and earth information science iseis of the chinese university of hong kong recently made a successful detection and monitoring around the coastal areas of hong kong. one asar image received by the cuhk ground satellite station on 5th june 2007, after pre - processing and identification, showed oil slicks and look - alikes around hong kong figure 1

    香港中文大學太空與地球信息科學研究所最利用衛星遙感成功監察及發現在香港沿岸水域出現的油污事件,星遙感地面接收站於2007年6月5日接收了一幅asar星圖像,圖像經處理后顯示香港附水域的海面油污,包括海面油污及疑油污的分佈情況(圖1 ) 。
  20. Based on the criterion of maximizing the total average signal to interference plus noise ratio ( sinr ), the optimal subchannel allocation strategy is obtained in theory when random signature sequences are used. for its implementation, an iterative algorithm is proposed, which is similar to the water filling principle. by using the proposed algorithm, we obtain significant improvement on the performance of the system, and the transmission quality can be guaranteed

    根據最大信號干擾加噪聲比原理,分析得出了隨機特徵碼條件下最優的子通道分配策略,並提出了一種類於灌水原理的子通道分配演算法,該演算法能在保證各個用戶傳輸質量的前提下,使系統的性能接最優。
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