進化階梯 的英文怎麼說

中文拼音 [jìnhuàjiē]
進化階梯 英文
evolutionary ladder
  • : 進構詞成分。
  • : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
  • : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
  • 進化 : evolution
  • 階梯 : (臺階和梯子, 比喻向上的憑借和途徑) a flight of stairs; ladder; staircase; step
  1. A soft sensor modeling algorithm based on improved fuzzy neural network is presented. the normalized average output membership functions are defined as fuzzy basis functions for defuzzification calculation. in order to improve the property of convergence, some parameters of the fuzzy neural network are trained by levenberg - marquardt algorithm, and the others are trained by gradient descent algorithm

    提出了一種改的模糊神經網路軟測量建模方法,採用規則的平均輸出隸屬度函數作為模糊基函數行反模糊運算;在訓練網路時,部分參數採用levenberg - marquardt演算法來訓練,另一部分採用一度下降法。
  2. In this thesis, the optimization of soi step drift doping profiles ldmos is addressed. the work of the author included the optimization of soi single - resurf ldmos and ; design and implementation of a step drift doping profiles soi ldmos

    圍繞soi摻雜ldmos器件的優問題,本文從器件結構和工藝材料方面出發,借鑒已有理論,行了soisingle - resurfldmos的優研究以及soi摻雜漂移區ldmos的優設計及器件制備實驗。
  3. Wuxi county is located in typically fragile ecological strip - - three gorges reservoir area and belongs to national ecological environment construction key region. based on soil and water conservation project in wuxi county this article designs the landscape health assessment system and analyses health classes of degraded ecosystem by applying fuzzy ahp method, discloses degraded characteristics in aspect of land use patterns in wuxi county contrasted with bishan county, puts forward ecological restoration models combined with soil and water conservation harnessing, analyses and compares soil fertility quality in biological communities of different ecological restoration succession phases and restoration measures

    本論文依託巫溪縣水土保持生態修復項目,運用模糊層次分析方法,行退生態系統的景觀健康評價體系設計與健康等級分析;通過對比研究巫溪縣與另一個生態修復試點縣? ?璧山縣的土地景觀空間格局分析,揭示巫溪縣土地利用格局上的退特徵;提出與水土保持治理相結合起來的生態恢復模式;引用土壤肥力質量指數,對生態修復區不同生態恢復演替段群落及不同時期坡改、休耕地與封山育林三項生態修復措施的土壤肥力質量分析與對比。
  4. First we introduce theory and merits of graphic wavelet transform, then mallat algorithm, multi - scale characteristic, quadratic b - alpine wavelet and the coefficients of this filters, and etc. later we calculate the gradient matrix based on the result of wavelet transform, thin the contour and get spatical information

    先介紹圖像小波分解方法的原理、 mallat快速演算法、多尺度特性、 3b -樣條小波基函數的選取及其濾波器系數的推導等,然後根據小波變換結果計算度矢量矩陣,行非極大值抑制和雙閾值,提取目標輪廓。
  5. For solving nonlinear optimization problems, newton method is one of the most efficient methods. as modification to newton method, inexact newton methods are popular for solving the middle and large scale noniinear optimization problems. among them, cf - pcg ( newton - pcg ) method is an efficient improvement to newton method

    在非線性最優的研究中,牛頓法是二演算法,對牛頓法的改,一直是人們關注的問題,近年來,用共軛度法對它行改,即研究牛頓- pcg型方法是國內外的一個研究熱點。
  6. One of the main reasons of the step spillway having greater energy dissipation is that the potential energy of the flow continuously transforms to the kinetic energy along the spillway and the kinetic energy partially transforms to the turbulence kinetic energy, and the flow energy is finally dissipated by means of turbulence dissipation

    研究表明,壩面水流能量耗散較大的重要原因之一是由於勢能沿程不斷轉為動能,而動能又部分轉為紊動能,而由紊動耗散的方式而消耗。
  7. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜力中尺度數值模式mm5的四維變分資料同系統行的數值試驗結果表明: 「開關」變量保持與基態一致,所構造的切向線性模式能夠提供關于非線性模式擾動的一近似,伴隨模式所計算的度值能夠為最小過程提供較好的下降方向;郭氏降水參數方案中對流每隔一個積分步的交替發生並不影響目標函數最小的收斂速度; 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同對mm5降水預報準確性的提高。
  8. Son of a bitch ! vs. you are a step in the wrong direction on the evolutionary ladder

    狗娘養的!對比:在進化階梯上,你朝著錯誤的方向前了一步。
  9. From the analysis of these two experiments, we give some essentials for ccga design, and illustrate the efficiency of ccga in adversarial problems solving. in the sixth chapter, we discuss several additional issues about ccga, including biological implications, arms race among species, and evolutionary pedagogy

    第六章對ccga和對抗性問題的一些特性做了深入的探討,這些探討主要是借鑒一些生物學的研究成果來拓展ccga的演算法性能,包括ccga在生物學上的意義、物種間的軍備競賽以及進化階梯的作用等。
  10. In this article, the author study the short - term optimization dispatching of cascaded hydropower in order to get a practicable mathematical model and arithmetic. basing on deep analysis and generalization of yilihe cascaded reservoir, the author set up a short - term dispatching mathematical model and an inner - plant economical operation model to simulate the real operation process. dynamic programming method ( dp ) is effective to solve the several problem and discrete differential dp ( dddp ) is a reduce dimension tool

    本文緊密結合雲南省境內的以禮河級水庫的工程實際,在對其行深入分析和概的基礎上,建立了反映實際問題特點的級電站短期調度模型和廠內經濟運行模型,動態規劃方法以其擅長求解多段決策過程問題而被本文選為優工具,由於dddp的降維效果顯著,從而使動態規劃在本研究模型中得以運用。
  11. A lively, diverse and educationally - enriching programme of contemporary visual arts, film and performing arts

    2 .提供多元、終身和全方位的文藝術教育課程,並提供學術升的
  12. The results of the three dimensional simulation emphatically show flow characteristics change along the spillway width and furthermore verify that the combination of k - e turbulence model with the vof model and unstructured grid can successfully simulate complex three dimensional turbulent flow on the stepped spillway

    三維計算著重體現了流場沿溢洪道寬度方向的變規律,一步驗證了vof模型、非結構網格與卜。紊流模型相結合能夠成功地模擬三維溢流壩面復雜流場。
  13. By the turbulence numerical simulation, the optimization calculation of some key factors that influence the stepped spillway overflow, such as the spillway slope, the step size, the transition steps and so on, are carried out

    本文首次應用數值模擬的方法對影響溢流壩面流場特性的一些重要因素,例如壩面坡度、尺寸、過渡等,行了優計算。
  14. In this thesis, through the analysis of the whole economy of these two regions and their own important economic elements since the large scale development of the western region was carried out in 1999, it was found that the economic gap between these two regions was not narrowing, the spillover effects of the western regions economy and the polar effect of the eastern region ' s economy was conspicuous, but the sign of the gradient transfer was not evident

    本文通過對1999年西部大開發入實際段以來東、西部整體經濟和各項經濟要素的分析,發現東西部經濟與東部經濟的差距並沒有縮小,西部經濟的擴散效應和東部經濟的極效應明顯,度轉移跡象並不明顯。
  15. Continuous - time analog filter is the only method when processing high frequency signal ( usually above 1mhz ) in low power consumption. it has been widely used in the area of communication, electronic measurement, instruments, autocontrol, etc. it ’ s especially used in digital and analog mixed signal processing and communication integrated circuit. current - mode filter becomes the new research direction in the world, as it ’ s high speed, low power consumption and simple configuration

    提出了基於ota的多功能電流模式雙二濾波器,基於ota的八切比雪夫濾波器,用模擬lc形電路法設計橢圓低通濾波器時,在傳統的狀態變量選取方法的基礎上,用改后的狀態變量選取方法得到了( k + 1 )橢圓函數低通濾波器的簡信號流圖,實現了簡的基於ota的橢圓低通濾波器電路。
  16. In addition to showing the solution to linear qd and its analysis, one form of nonlinear qd is discussed. compared with other color diffusion techniques, considering the interactions between channel pairs, qd has the following advantages : 1 staircasing effect is avoided ; 2 as diffusion tensor, the image derivative is regularized without requiring additional convolution ; 3 less time is needed. experimental results demonstrate the effectiveness of linear and nonlinear qd applied to natural color images for denoising by both visual and quantitative evaluations

    雖然講四元數用於圖像處理已有了一些研究,但都是研究四元數傅立葉分析四元數小波分析或將簡的四元數偏微分方程用於灰度圖像處理,而本文第一次將四元數擴散用於顏色圖像處理,這樣的好處包括: 1可以避免一般非線性擴散的效應2四元數擴散不需要對圖像導數行高斯卷積等歸整操作3更為省時。
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