級數型 的英文怎麼說

中文拼音 [shǔxíng]
級數型 英文
type of series
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • : 數副詞(屢次) frequently; repeatedly
  • 級數 : [數學] progression; series; number of stages; number of steps; stage number級數變換 transformatio...
  1. The tiller - nodes of 6 species of rhizome grass, including leymus chinensis, hemarthriajaponica, arundinella hirta, calamagrostis epigeios, c. rigidula, hordeum brevisubulatum in songnen plain, can live at best for 2 to 5 years, and do 2 to 4 propagating generations which is the same as the age class of tiller in number. the age structure of population is an increasing model which the young tiller is more than the old at quantity and biomass. during the whole growing season, the age spectrum varies for each species

    松嫩平原,羊草、牛鞭草、野古草、拂子茅、硬拂子茅和野大麥等6種根莖禾草種群的分蘗節最多可以存活2 5個年度,可以進行營養繁殖2 4個世代,分蘗株的齡與分蘗節營養繁殖的世代相同,在種群分蘗株的量和生物量上,生長季的各個時期均以幼齡分蘗株占較大比例,呈現為明顯的增長年齡結構,各種類的年齡譜組成各異。
  2. The results indicate that yellow seed variety of b. napus rape is as a mixture of various yellow seeds, there are significant differences among the lines tested and different segregation of individual plants each other in its penetrance of the seedcoat

    研究了甘藍黃籽油菜不同品系材料、不同單株間千粒黃籽外顯率及其與含油量、黃籽和千粒重的關系。
  3. Abstract : the results indicate that yellow seed variety of b. napus rape is as a mixture of various yellow seeds, there are significant differences among the lines tested and different segregation of individual plants each other in its penetrance of the seedcoat

    文摘:研究了甘藍黃籽油菜不同品系材料、不同單株間千粒黃籽外顯率及其與含油量、黃籽和千粒重的關系。
  4. The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility

    本文採用瑞斯納中厚板理論求解彈性地基板,建立雙參地基與中厚板相互作用的控制微分方程,結合胡海昌的解耦函,運用雙五次b樣條函作為試函的離散最小二乘加權殘值法分析了雙參地基上的中厚板的彎曲問題,並將結果與有限元線法、有限條法、精確解等進行比較,證明本文方法具有足夠的精確性與實際的可行性。
  5. Evolvable algorithms are applied to functional digital combinational logic circuits with the structure of classicepglo chip of altera co. and the detailed analyses of typical examples are also given

    結合altera公司classicep610晶元的結構,研究了將演化演算法應用於函字組合邏輯電路的硬體演化,並且對典實例進行了詳細分析。
  6. In order to reconstruct image, generally fbp needs complete projection data, but art is available to either complete or incomplete projection data. the major disadvantage of art is its low convergent speed

    重建方法( art )是重建法的典形式,其適用於不同方式的采樣據,對不完全據也可重建圖像,但是,計算量大、重建速度慢,影響了該演算法的應用范圍。
  7. In this paper, we first study the growth and regular growth of dirichlet series of finite order by type function in the plane and obtain two necessary and sufficient conditions ; and prove that the growth of random entire functions defined by random dirichlet series of finite order in every horizontal straight line is almost surely equal to the growth of entire functions defined by their corresponding dirichlet series. then we define the hyper - order of dirichlet series of infinite order respectively in the plane or in the right - half plane, study the relations between the hyper - order and regular hyper - order of dirichlet series of infinite order and the cofficients ; obtain the hyper - order of random entire functions defined by random dirichlet series of infinite order in every horizontal straight line is almost surely equal to the hyper - order of entire functions defined by their corresponding dirichlet series

    本文首先利用研究了全平面上有限dirichlet的增長性和正規增長性,得到了兩個充要條件;證明了有限隨機dirichlet的增長性幾乎必然與其在每條水平直線上的增長性相同。對于無限dirichlet,分別在右半平面及全平面上定義了其超的概念,研究了它們的超和正規超與其系間的關系;得到了平面上無限隨機dirichlet的超幾乎必然與其在每條水平直線上的超相同。
  8. Pass the interlace series type linear differential equation that coefficient contains power function and arrangement number change into the linear differential equation of successive integral, have found out the theory and method that begs this kind of equation to know to untie. theorem have happened have given strict proof, and through example, have introduced it ' s application

    摘要通過把系含有冪函與排列的交錯級數型線性微分方程化為可逐次積分的線性微分方程,找出了求這類方程通解的方法與理論,把所得定理給出了嚴格的證明,並通過實例介紹了它的應用。
  9. Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations. the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1

    依據振動理論建立了具有彈性支撐的輸出軸的動力學分析模,根據周期函的傅里葉展開原理,將復雜的激振力分解成為多個頻率成整倍關系的簡諧激勵函,導出了動態響應表達式,結果表明,當載荷分配不均勻系為1 . 0時的輸出軸兩端支撐同步。
  10. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異性體平面彈性理論中的復勢方法,以faber為工具,得到了含多裂紋有限大板在任意載荷作用下應力場的解,並應用斷裂力學方法確定裂紋尖端的應力強度因子;引入當量屈服應力考慮裂尖塑性區的影響,提出基於帶屈服準則的剩餘強度分析模,能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響;通過值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律,得到了一系列對工程應用具有實用價值的結論。
  11. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber為工具,給出了有限大含橢圓核各向異性板彈性問題的解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過值計算詳細討論了各種幾何參對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  12. This paper mainly discussed the optimization design of two - stage star - type gear transmission system. it covered the two sides : one - stage gear transmission and two - stage gear transmission. on the basis of their analysis and research, the mathematic models are created which include the objective functions of minimum volume and minimum center distance, the constraints of contact strength, bend strength and scuffing strength

    本文主要研究了航空發動機星齒輪傳動系統的優化設計,對單齒輪傳動和兩傳動都進行了深入的分析和探討,分別以系統體積最小和中心距最小為目標函,以齒輪的接觸強度、彎曲強度、膠合強度等為約束條件,建立了完整的學模
  13. In this paper, dynamic stability of parametrically excited flexible cam - follower system on the weakly nonlinear condition is investigated by using the combination of both the method of multiple scales and the technique of fourier series expansion. the equations of approximate transition curves in the plane of the dimensionless frequency and excitation ( amplitude ) parameter that separate stable from unstable solution are derived

    隨后,本文採用多尺度法並結合fourier展開,分析了不同的凸輪從動件運動規律和不同的凸輪的升程、停程以及回程的時間分配規律下,無間隙的周期時變凸輪系統模的穩定性,獲得了各種規律下的凸輪系統的穩定區間圖。
  14. We construct eigenfunctions from the linear combination of the b - spline functions and the truncated fourier series, and extend pseudospectral method to calculate above - threshold ionization electron spectrum of one - dimensional atom in intense laser fields. our results are also in very good agreement with those of split - operator method

    本文還利用b樣條函和傅立葉的線性組合構造原子未微擾的本徵函,將偽譜方法推廣用來計算一維模原子在強激光場中的閾上電離譜,其結果與分裂算符方法所得的結果也符合得很好。
  15. In chapter 2, the ii ordering is presented and the arbitrary functions and the arbitrary constants are least in the solution of formal series under the ii ordering by illustration ; furthermore, the author introduces the application of the standard form of reid to ascertain the target equation of linear constant partial equations

    在第二章中,作者給出了reid標準演算法中的序關系,通過舉例說明在序下,得到的形式冪解中任意函和任意常的個最少;並提出了reid標準的一個重要應用:確定線性常系偏微分方程組的目標方程。
  16. This thesis aims to explore new technology and methodology emerging in enterprise ' s knowledgeable employee management sector in a so - called knowledge economy environment. modeling methodology of both physics and mathematics is introduced to establish the two major models and other evolved models. they represent a new view with systematic, vivid and flexible models, referring to the most up - to - date works in knowledge management and knowledgeable talent management sectors

    筆者將物理學模學模的研究手段引入企業知識員工的管理實踐中來,藉助模的系統性、形象性、靈活性,將定量分析和定性分析有機結合,提出了兩個主模個次、衍生模,在借鑒當前知識管理和「知本家」管理領域現有研究成果的基礎上,探索知識人才管理的新途徑。
  17. On the qualities of index type hyper spherical series

    關于指超球的幾個性質
  18. The rearrangemen characteristics of some power series and dirichlet series with the same orde of growth or type were described

    對一些冪和dirichlet和函的增長保持不變的重排的特徵作了綜述。
  19. A important result is the one - orde r expression of ar ( p ) yt = dyt - 1 + e, from paralleling a high - order differential equation transformation into a one - order differential equation system, the one - order expression exposes that the ar ( p ) is only a certain more - multivariable power series process and, if a process is described as an ar ( p ), the sufficient and necessary condition is the spectrum norm a of the coefficient matrix d less than one. simplification of ar ( p ) not only brings about orthogonal f ( h ) but also provides global foretelling formula

    作者用高階微分方程化一階微分方程組的方法,獲得多元弱平穩序列p階自回歸模的一步滑動平均表達式,證明了ar ( p )的是一個更高維的冪的線性過程,從而,說明了ar ( p )關于序列依概率成立的充要條件是:該模更高維的冪的線性過程的表達式中系矩陣d的譜范1 。
  20. This article has a deep research of stock rating ' s concept, feature, necessity and practical ; using model statistics method establish the model of stock rating ; comparing of macroscopic environment between of china and america, putting forward recommendations of policy. the purpose of this article ' s research is try to make up with the defect of our country ' s research of stock rating, and try to solve the difficult of rating model design and improve stock rating ' s macroscopic environment

    本文對股票評的概念、特點、必要性、現實意義等問題進行了深入的探討和研究;使用現代理統計方法建立了股票評,對中外股票評的宏觀環境進行了比較研究並提出相應政策建議;本文的研究試圖彌補我國股票評研究中理論研究的不足和解決我國股票評過程中亟待解決的兩個重大問題? ?評的設計和股票評宏觀環境的改善。
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