數值變數 的英文怎麼說

中文拼音 [shǔzhíbiànshǔ]
數值變數 英文
numerical variable
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  1. The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated

    利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系，系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系曲線，通過數值分析方法給出了聲光優值隨中心頻率的變化曲線並給出了器件的設計參數。
  2. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此，對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此，本文從測井地質的角度，針對當前裂縫性儲層測井地質解釋與評價的現狀，在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上，利用分形分維方法和技術，通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜，則其分維值d _ （ fa ）越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵，提出了改進的基於盒維數的測井曲線網格覆蓋法，編程計算了裂縫性儲層段常規測井曲線（如聲波和電阻率曲線）上分形分維值及其m指數值，進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究，效果十分理想： 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪，採用儲層分維值分類技術統計分析這些參數變化的規律，並結合qx油田l區塊儲層類型經驗判別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  3. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。
  4. In this paper, it is shown that some atomic formulas of symbolic states generated by the algorithms can be removed to improve the model checking time - and space - efficiency. such atomic formulas are called as irrelevant atomic formulas. a method is also presented to detect irrelevant formulas based on the test - reset information about clock variables

    一個時間自動機是一個五元組n ， l 0 ， c ， e ， i ，其中n為一個有窮的位置集合， l 0n是初始狀態， c是一個取實數值的時鐘變量的有窮集合， e ng c 2 cn是轉換的集合。
  5. The changes in molecular weight, mass, mechanical strength, microstructure of fibers and ph value of the buffer solution with time in vitro had been studied. the study shows that degradation mechanism of pdlla / ha compound fiber was indicative of an autocatalysis process and simple noumenon hydrolysis

    通過對試樣的性能測試和形貌觀察，研究了pdlla ha復合纖維在降解過程中其分子量、重量和力學性能以及緩沖溶液ph值等一系列參數的變化規律，並探討了復合纖維的降解機理。
  6. The wavelet transform of quaternion value function

    四元數值函數的小波變換
  7. In data processing, combining quantities according to various circuitry designs, machine rules regarding changes in values, and types of carryover operations

    在數據處理中，按照不同的線路設計、根據數值變化制定的機器規則以及進位操作的類型把各量結合起來的一種運算操作。
  8. It dwells here upon the constitutive model of tlastic creep damage of heat resistant steel, establishing a corresponding variation principle and finite element discretization form, thus introducing complete numerical variational methods

    主要提出耐熱鋼的彈性蠕變損傷本構模型，建立起相應的數值變分原理以及有限元離散化形式，從而形成完整的數值變分方法。
  9. Any numeric variable or property

    任何數值變量或屬性。
  10. The first part uses

    第一部分使用帶有數值變量的
  11. Visual basic has functions for other types of numeric variables as well

    Visual basic還具有用於其他類型的數值變量的函數。
  12. Or numeric variable

    或數值變量。
  13. In this lesson, you learned how to convert numeric variables to text, and also how to convert between different types of numeric variables

    在本課中，您學習了如何將數值變量轉換為文本，以及如何在不同類型的數值變量之間進行轉換。
  14. Equipment reliability testing - statistical procedures for exponential distribution - point estimates, confidence intervals, prediction intervals and tolerance intervals

    設備可靠性檢驗.指數分配的統計方法.點估計置信區間預期數值變化范圍和公差范圍
  15. The attitude of theorists and decision - makers to m _ 2 / gdp has transformed from the affirmation of the fast marketability and the monetization performance in 1990 ’ s into the concern regarding the reason of the growth of the ratio which involved the system problems and the high financial risk in china ’ s economy. the economist has produced own explanation from each kind of angle

    理論界與決策部門對m _ 2 / gdp數值變化的態度，已經從二十世紀九十年代前對快速市場化與貨幣化表現的肯定，轉變為當前對這一指標過高所隱含的體制問題與金融風險的高度關注對于m _ 2 / gdp的增長原因，經濟學家從各種角度給出了自己的解釋。
  16. Based on the theoretical expression of the average intensity in the fourier transforming and imaging optical system with variable aperture, an algorithm is developed to change the intensity data versus the aperture radius into the bessel - fourier - transform - and - the - inversion of a function of the height - height correlation function. three samples of gaussian correlation are used for the experimental demonstration

    在理論分析和實驗測量中，我們採用了變孔徑的傅立葉變換和成像系統，由所得到的像面光強的解析式，建立了將平均光強隨孔徑的數值變化關系轉化為正逆傅立葉變換對，從而恢復出表面的高度?高度相關函數。
  17. Contrast with the results, the dissertation concludes that the axial loads of column have no essential variation, the variations of moments and shear forces of column are small under horizontal loads in contrast with the structure system in elastic ground, the moments and shear forces variation of column cannot be neglected, and the structure system with different foundation have the close degree variation

    通過對比分析，本文認為水平力作用下交錯桁架體系柱的軸力基本不變，彎距及剪力響應數值變化不大。豎直荷載作用下，與彈性地基計算結果比較，彎矩及剪力均存在不可忽略的變化，且不同形式基礎其影響的程度基本相近。
  18. Research on quadratic numerical range of bounded linear operators zhang jingjie abstract the study of numerical range started in 1918 - 1919 by toeplitz and hausdorff when they first proved that w ( a ) is always convex, since then, the study of numerical range theory had been one of the most active research areas

    自toeplitz和hausdorff在1918 - 1919年首先證明了toeplitz - hausdorff定理以後，有關數值域、數值半徑以及各種廣義數值域及其數值域半徑的研究變得非常活躍。
  19. A suitable calculation method is given to identify the fore material constants using trialxial tests. in comparison with the hypoplastic constitutive model presented by w. wu and d. kolymbas, this model has the advantage of form simplicity. the determination method of material constants presented in this dissertation avoids disadvantage that material constants vary with the chosen reference point

    該模型與wwu .和dkolymbas提出的亞塑性本構模型相比，具有形式簡單的優點，所提供的材料常數確定方法，克服了亞塑性模型中因選取參考點的不同所確定的材料常數值變化大的弊病。
  20. Synthesized all of result we got, we come to the conclusion of this area is that yijinhuoluo is safe from environmental security and its ecological value is reduced from amount change, depend on numerical value and spatial distributing analysis. but the ecosystem services value is increasing slowly based on area change and the environmental quality in parts of area is exasperated, we should strengthen the ecological construction to mend the environment in the mass

    綜合所有評價結果，本文對伊金霍洛旗1990年至2000年的生態環境狀況得出最後結論：該地區從1990年與2000年的生態服務價值數值變動和空間分佈來看總體的生態水平是安全的；其生態服務價值從數量上是減少的；但是從面積分佈變化上看生態價值緩慢增長的地區面積大於減少的地區面積；局部地區的生態環境惡化較為劇烈，應當加強這部分地區的生態建設。
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