特徵根 的英文怎麼說

中文拼音 [tèzhǐgēn]
特徵根 英文
characteristic root
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  • 根 : Ⅰ名詞1 （植物的營養器官） root （of a plant） 2 （比喻子孫後代） descendants; posterity 3 [數學] ...
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. In the first, we study the stability of system equilibrium and the bound of these equilibriums by means of the method of latent root and analytical method

    首先，利用特徵根法和解析法研究了系統平衡點的穩定性及其穩定性的存在范圍。
  2. In the second parts, a method on studying stochastic transition of the fokker - planck equation is introduced, how to use the method of the latent root to on the fokker - planck equation is mainly deduced

    第二部分介紹了研究馬達的隨機躍遷方法-福克普朗克方程的特徵根解法，著重推導了如何用特徵根方法解福克普朗克方程。
  3. For example, in reference [ 12 ], the author studies the stability of system equilibrium with the method of latent root and the periodic solution of the marchuk ' s model with the method which provided by reference [ 13 ]

    例如，文[ 12 ]以時滯r為參數，利用特徵根法研究了該模型的平衡點的穩定性，利用文[ 13 ]的方法研究了該模型的周期解。
  4. Based on the linear model of governing object, this paper calculates the turbine turbine transfer coefficients and six ki parameters of generator in different work point, and the effect of these changing on latent root are calculated

    以調節對象線性化模型為基礎，從1個實例計算入手，計算了不同工況下水輪機傳遞系數和發電機6個參數的變化情況，進而計算這些參數變化對調節對象特徵根的影響。
  5. The concept of orthogonal matrix and four properties of generalized orthogonal matrix in determinant, characteristic solution and adioint matrix were discussed

    摘要推廣了正交矩陣，並研究了廣義正交矩陣在行列式、特徵根、伴隨矩陣等問題中的四個性質。
  6. Based on the analysis of sedimentary facies in individual wells and the correlation of three cross sections of sedimentary facies, it is elaborated that sedimentary facies of jianglingjiang formation are vertically and laterally developed within qianwei area. by the method of single - factor analysis, it is pointed out facies distribution of four key formations after thorough study of four geologic factors that could embody sedimentary environment and facies, that is the thickness of formation, grainstone and dolostone, and lithofacies. with the above results, combining with reservoir and structural features, of which the emphasis is the reservoir characteristics of different rock and microfacies types, it is pointed out favorable reservoir zones, by the method of multi - factors superposition

    採用單因素分析法，選取並研究地層厚度、顆粒巖厚度、白雲巖厚度和區域巖相等四種能反映沉積環境和沉積相的地質因素，指出了四個重點層段的沉積相平面分佈特徵；根據沉積相的研究成果，結合儲層特徵和構造發育特徵，著重討論了不同巖石類型和微相類型的儲集特徵，採用多因素疊合法對犍為地區嘉陵江組有利儲集相帶進行了預測，指出了有利儲集相帶的分佈。
  7. The studies of in - layer heterogeneity are as follows : the text depicts the characteristics of heterogeneity by calculating the coefficient of variability, kmax / k and k. max / k. min of sand layers of different sedimentous microfacies ; divides interlayer into two types, and counts their numbers, thickness, frequency and density of a single sand layer according to the characteristics of lithology and logging, finally summarizes the characteristics of interlayer distributing ; sets up five in - layer heterogeneity models and points out that the primary models are model a and c. the studies of between - layer heterogeneity are as follows : the text depicts sand layers " growth and distributing conditions by calculating the lamination factor, sandstone density and overlap coefficient ; makes certain the lithology and thickness of interlayer by the method of contrasting the typical curves

    層內非均質性研究，通過計算不同沉積微相砂體滲透率的變異系數、突進系數以及級差來說明主要儲集微相的非均質特徵；據巖性及電性特徵，將層內夾層分為兩類，統計單砂層段內夾層的個數、累積夾層厚度、夾層頻率及夾層密度，並且根據夾層頻率及密度平面分布圖統計出每層的頻率相對高值區和低值區，總結夾層分佈特徵；根據物性參數隨深度的變化趨勢建立了五種儲層層內物性非均質模式，指出研究區內以a型和c型模式為主。
  8. On the basis of the physical principles and characters of nondestructive testing ( ndt ) methods, as well as the metrological law and the definition of metrological instrument, it is concluded that nondestructive flaw detectors are not metrological instrument

    分析無損檢測的原理和特徵，根據計量法和計量器具定義得出無損探傷儀不是計量器具的結論。
  9. At first we compare some kinds of investment loss function, analyze their defects and take the eignvalue of covariance matrix as the measurement of investment risk, the principle component as the information of investment market, sn and cv of the principle component as balance relationship between the profit and risk. then different portfolio selection indexes are given, and new portfolio selection models are presented, which are different from h. markowitz model. at last an example is also given

    本文首先比較了幾種常用的投資損失函數，在分析它們的缺陷與不足的基礎上，提出了採用收益率的協方差矩陣的特徵根刻畫投資的風險；用主成份綜合反映證券市場的信息；分別採用主成份的差異系數與信噪比反映投資組合的期望收益率與風險之間的均衡關系，並以此作為投資組合損失最小化與收益極大化的指標；得到了不同於h
  10. The hybrid element method is applied to get bonded materials " characteristic equations and the stress and strain fields near the tip of the interface of bonded materials

    同時本文應用雜交元方法確定結合材料特徵根，求得界面端附近的應力場和位移場。
  11. In the second part, when a four - dimensional smooth system has two distinct pairs of purely imaginvalues at the equilibrium y = 0, the 5 - order normal form is given

    第二部分，通過復變量替換和比較系數，在平衡點y = 0處，當特徵根為兩對純虛根時，本文給出了一般的四維非線性微分方程的直到五次的規范形具體形式。
  12. In the frame of regime and administrative powers of sunzhongshan ’ s constitutionalism, inquire into the independence of the official - selecting examination authority and the relationship of the five administrative powers, while approaching the characteristic of the independence of the examining body, and exploring the foundation, the significance and the practice crisis of the theory

    在五權憲法的政權與治權理論框架下，探討考試治權獨立以及與其他四個治權（行政權、立法權、司法權和監察權）的關系運動，探討考試權的特徵、考試權獨立的特徵、根據、意義以及其憲法實踐危機。
  13. On the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    在中國西北黃土高原地區，水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明，在所有立地上，根系生物量隨著深度的增加而降低，其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別，粗根是差異存在的主要原因，陰坡立地上的根系生物量，特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明，陰坡立地上的根系消弱系數大於0 . 982 ，而陽坡立地上的根系消弱系數小於0 . 982 ，說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的，這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用，進而促進樹木地上部分的生長發育.圖3表3參15
  14. Abstract : on the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    文摘:在中國西北黃土高原地區，水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明，在所有立地上，根系生物量隨著深度的增加而降低，其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別，粗根是差異存在的主要原因，陰坡立地上的根系生物量，特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明，陰坡立地上的根系消弱系數大於0 . 982 ，而陽坡立地上的根系消弱系數小於0 . 982 ，說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的，這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用，進而促進樹木地上部分的生長發育.圖3表3參15
  15. Eigenvalues of bordered matrix

    鑲邊矩陣的特徵根
  16. Characteristic root of a matrix

    矩陣的特徵根
  17. As a reliable statistical index to describe chaos lyapunov exponent is applied extensively. the definition and algorithm are discussed in this paper. only in the one - mass hamiltonian system lyapunov exponent equals to the eigenvalue

    作為描述混沌的一種可靠的統計指標， lyapunov指數被廣泛應用於電力系統混沌的判斷，本文介紹了其定義及演算法，指出在一般情況下，該指數不同於系統jacobi矩陣的特徵根。
  18. 4. in chapter four, a new method to construct integral directed graphs is discovered through the research on the relationship between the zeros of the characteristic polynomial of the single level and multi - level circulant matrices and the parameters of the matrices. the method can be used to construct infinite integral directed graphs

    第四章，通過對循環矩陣和多層循環矩陣的特徵根與矩陣中參數的關系的研究，發現了一種全新的構造有向整譜圖的方法，通過運用此方法，可以得到無窮多個有向整譜圖。
  19. The approach is based upon the belief that the meaning of a word can be dissected into meaning components, called semantic features

    它把詞匯分析為一個個具有區別作用的語義特徵，根據詞匯是否包含這些特徵來研究、區分詞匯意義。
  20. Then, a series of physical model experimentations are made to research the flow pattern character and the discharge capacity of curve - labyrinth weir. in this process, the major effect factors of outletcapacity are discussed and a new calculated method of discharge is given

    通過物理模型試驗，觀測了曲線型迷宮堰的流態特徵，根據實測資料，分析研究了該堰型的過流能力及其影響過流能力的主要因素，並提出了曲線型迷宮堰的流量計算方法。
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