近似相等的 的英文怎麼說

中文拼音 [jìnxiāngděngde]
近似相等的 英文
approximately equal
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 4次方是 The fourth power of 2 is direction
  • 近似 : approximate; similar; approach; approximation; roughness; propinquity
  • 相等 : equation; equality; equal; be equal to
  1. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確分子內部轉動傳能碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性互作用勢,應用含時微擾理論一級波恩,假想在分子束實驗條件下,建立在原子-雙原子分子體系中碰撞量子干涉理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率變化趨勢,同時初步探討了實驗正確觀測途徑,得出了採用分子束進行實驗觀測實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗進行起到了一定借鑒作用
  2. Isolated points and algebraic structure of rough equality classes in approximate space

    空間中孤點與粗代數結構
  3. But much of that jump is thanks to a sharp rise in the cost of housing ( which makes up almost 40 % of core cpi ), particularly the category of “ owners ' equivalent rent ” which estimates the cost of living in a house by looking at rents charged on similar properties

    但是,此次上漲大多歸因於迅猛上漲房屋成本(組成了將40 %cpi ) ,特別應該歸咎于「業主價租金」上漲上,這種租金使家庭生活成本能夠通過觀察財產租賃費用來衡量。
  4. An example of durability evaluation of concrete structure is given as well. lastly, the minimum cover depth of concrete that concrete structure exposed to the splash zone and near marine environments needed is discussed, some proposition about design and construction of reinforced concrete structure exposed to chloride environments are presented

    對氯腐蝕環境下混凝土結構最小保護層厚度進行了研究,提出了在海區和浪濺區環境下混凝土結構最小保護層厚度建議值;對氯腐蝕環境下混凝土結構耐久性設計提出了建議。
  5. Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load

    針對當前國內外彈性地基梁法存在缺陷,基於對軟土流變性研究,採取了剪應力判斷彈塑性狀態,以改進和完善基坑工程彈性地基梁法,推導了彈性狀態下地基反力系數解,提出了採用剪應力組合判斷土彈簧彈塑性狀態方法,編制了彈塑性共同變形法分析程序dpfbm1 . 0 ( doubleplasticfoundationbeammethod ( version1 . 0 ) ) ,並採用該程序分析了壓縮模量、粘聚力、內摩擦角參數變化對基坑工程影響。
  6. Evading risk in financial trading market cries for pricing options to a nicety. asian option, as the most flourish options in the finace market, the pricing has been focused on always. the exact pricing formula for the geometric average asian option had existed, but as to the european - style arithmetic average asian option, due to the dependence structure between the prices of the underlying asset, no analytical formula exists. on the hypothesis that the market is frictionless and without transaction costs 、 on the base of b - s ’ s and in the binomial tree model, we provide several algorithms for computing an accurate value of the european - style arithmetic average asian option. following rogers and shi and by jensen ’ s inequality, many different upper and lower bounds are provided ; meanwhile a formula have got by the comonotonicity and approximating the distribution function. all of the algorithms are easy for programming. with the development of computer, more accurater price can be computed quickly. and numerical example proved that these algorithms are very accurate

    對于幾何平均亞式期權它定價對簡單,已經給出了定價公式。對于算術平均亞式期權,它未定權益具有軌道依賴特性,一直沒有得到它定價方程解析解形式。本文基於對市場是無摩擦且在沒有交易費用情況下,在b - s模型下,利用二叉樹模型給出了算術平均亞式期權定價方法;並總結了利用jensen 』 s不式給出各種不同情況下上下界;同時應用共單調性和分佈函數方法也給出了算術平均亞式期權價格公式。
  7. ( 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 )通過對作為整體平頂高斯光束在無光闌限制軸abcd光學系統中傳輸公式分析,首次得到了平頂高斯光束變換條件,即階數平頂高斯光束在傳輸矩陣為a _ ib _ ic _ id _ i ( i = 1 , 2 )兩個光學系統中傳輸時,在菲涅爾數兩個面上具有光強分佈。
  8. The keys to the families, genera and species of hepaticae and anthocerotae in hebei are worked out, and the dissected graphs are pictured. moreover, the chinese name, science name, major reference literatures, collect locations, collector and number of specimen, as well as geographical elements and distribution of every species are narrated explicitly. in the hepaticae - flora of hebei, grimaldiaceae, porellaceae and frullaniuccae arc regarded as dominant, showing obvious temperate - zone character and distinct torrid - zone nature, raising the tropic origion theory of china botany - flora which brought forward by professor z. y. wu

    同時,根據標本和資料編制了河北省苔類植物科、屬、種檢索表,詳細記述了每種中文名、學名、主要參考文獻考證、標本採集地、採集人和標本號,在河北省和中國各省區及世界范圍地理分佈,描述了每一種與其主要區別點和識別特徵,並根據標本和文獻對其中54種做了顯微繪圖。
  9. For this, the paper combines some thoughts such as role, agent, and service. it also proposes the developing framework of a role - based collaborative software with the object - oriented model technology and imitatively realizes the interacting and cooperating process of the members in developing activities. firstly, to overcome the difficulty of members ’ fuzzy realism to roles, this paper organizes supplying and requiring servvice set, bridges the reflecting relationship between roles and services and realizes the clear definition and dynamic transformation of roles through modifying service set and service - role registered table

    為此本文結合角色、 agent 、服務思想,利用面向對象建模技術提出一種基於角色協同軟體開發框架,主要工作有:首先針對成員在開發過程中對角色認識模糊困難,本文為角色組織了供給和需求兩組服務,建立了角色與服務之間映射關系,通過修改服務集和服務-角色登記表,實現了角色清晰定義和動態修改,與傳統方法比,清晰角色有利於成員明確自身所承擔職責和擁有權限;同時為簡易成員查找角色復雜過程,提出一種靈活角色查找方法,利用角色匹配矩陣和角色推薦演算法,匹配出符合成員要求一組角色,降低了角色查找難度。
  10. 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ginzburg ? landau方程,通過構造一些類於發展方程守恆律泛函及巧妙積分估計,證明了當粘性系數趨于零時, ginzburg ? landau方程解逼帶導數項schr ( ? ) dinger方程解,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廣義ginzburg ? landau方程整體光滑解存在性,以及在某種特殊情形下, gl方程解趨帶導數項schr ( ? ) dinger方程弱解;在一般情形下,我們討論了一類ginzburg ? landau方程非齊次邊值問題,通過幾個積分恆式,同時估計解h ~ 1模及法向導數在邊界上模,證明了整體弱解存在性。
  11. Simple cuboidal epithelium is a single layer of cells whose width and height are approximately equal.

    單層立方上皮由單層細胞組成,細胞寬度和高度
  12. Deliberate interference of a transmission on one carrier by transmission on another approximately equal carrier, with wobble or noise modulation

    用波動或噪聲調制另一個近似相等的載波傳輸,人為地干擾一個載波傳輸。
  13. Using the theories of probability, algebra and number theory comprehensively, we investigate a class of boolean functions with three - valued walsh spectrum in the first part of this dissertation : the properties of the extended semi - bent functions, which are constructed from any two bent functions, are studied, followed by the structure characteristics of the boolean functions satisfying propagation criterion with respect to all but two vectors ; the definition and cryptographic properties of k - order quasi - bent functions are proposed whose walsh spectrum takes on only three values. some sufficient and necessary conditions are offered to decide whether a boolean function is a k - order quasi - bent function ; a special method is presented to construct the k - order quasi - bent functions, whose cryptographic properties are explored by the matrix method, which is different from the method of walsh spectrum and that of autocorrelation of boolean functions ; the application of this kind of boolean functions in the fields of stream cipher, communications and block ciphers is discussed, which shows the great importance of the fc - order quasi - bent functions ; some methodology are proposed to construct the k - order quasi - bent functions, including the complete construction by using the characteristic matrices of boolean functions, and the recursive method by two known k - order quasi - bent functions we further extend our investigation to the ring zp, where p is a prime, and the similar results are presented as far as the p - valued quasi - generalized - bent functions are considered

    本文首先綜合運用概率論、代數學、數論基礎學科理論知識,並以頻譜理論作為主要研究工具,對一類譜值分佈對均勻函數? ?廣半bent函數、 k階擬bent函數和p值k階擬廣義bent函數進行了系統、深入研究,給出了廣半bent函數定義,並探討了廣半bent函數密碼學性質;給出了k階擬bent函數和p值k階擬廣義bent函數定義及價判別條件;討論了k階擬bent函數和p值k階擬廣義bent函數與部分bent函數和p值廣義部分bent函數關系,探討了它們密碼學性質;給出了k階擬bent函數和p值k階擬廣義bent函數典型構造方法,並將對k階擬bent函數密碼性質研究轉化到對一類特殊矩陣研究上;利用布爾函數特徵矩陣原則上給出了k階擬bent函數一種完全構造方法,還給出了從已有p值k階擬廣義bent函數出發,遞歸構造變元個數更多p值k階擬廣義bent函數方法;初步探討了k階擬bent函數在序列密碼、分組密碼以及通信中應用;給出了一類布爾函數walsh譜分解式,並利用這類布爾函數walsh譜分解式給出了一類穩定布爾函數構造,特殊情形下為k階擬bent函數;利用代數數論知識考察了p值k階擬廣義bent函數譜特徵,並給出了k階擬廣義bent函數與所有仿射函數符合率特徵
  14. In the analysis process, the six main peaks in 88 - 100 kev region, including the y peaks of 234th, the k peaks of th and the k peaks of u, are chosen. the smoothly joined gaussian function and low energy exponential tail is taken as peak shape function and quadratic polynomial is taken as background function. the two functions are fitted to gether to calculate the peak area

    在分析過程中,選擇了88 - 100kev能區~ ( 234 ) th射線峰, thk _射線峰以及uk _射線峰共六個主要能峰,通過採用高斯函數和低能指數尾部光滑聯接峰形函數和二次多項式本底函數一起擬合,來求出峰面積;而該能區所有能峰探測效率可以認為是近似相等的,由此得到鈾富集度。
  15. It is found that : ( 1 ) for linear slope, redistribution of incoming energy flux in modenumber space depends on both the modenumber of incident waves and the ratio of the slope of incident wave ray to slope of topography ; both the transmitted and reflected energy flux ( only for supercritical linear slope ) focus near one or two modenumbers ; for supercritical linear slope, the energy flux scattering to higher modenumbers becomes larger and the energy flux to lower modenumbers becomes smaller as the slope of incident wave ray comes near to slope of topography ; ( 2 ) for convex slope, energy flux is redistributed in wide - range modenumbers and also show peaks on lower - modenubers and higher - modenumbers ; ( 3 ) for concave slope, energy flux is also redistributed in wide - range modenumbers, but does not show peaks on higher - modenumbers as supercritical linear slope and convex slope do ; ( 4 ) the total energy flux scattering to higher modenumbers is approximately equal to the total energy flux to lower modenumbers for internal waves propagating over both convex slope and concave slope, which means the concave slope is the same efficient to convex slope in scattering energy flux to higher modenumbers ; ( 5 ) for convex slope, the wave ray reflected from near - critical topography can extend to deep ocean and shallow shelf, while for concave slope, the wave ray reflected from near - critical topography can only extend to limited distance, then meet the topography and be reflected again ; generally the shear of the internal waves reflected twice from concave slope is not enhanced while the enhanced shear does also appear before second reflection takes place, the enhanced shear can bring about intense mixing, so internal waves reflected from concave slope can also produce marked mixing near critical slope

    3 、內波在凹地形上傳播時,能通量在模態上分佈范圍也比較寬,但與凸地形和超臨界線性斜坡地形比,能通量在高模態上分佈沒有明顯峰值。 4 、從總能通量來講,內波在凸地形和凹地形上傳播時,向高模態散射能通量與向低模態散射能通若十地形下內波傳播及內潮生成問題理論解量,這意味著二者在向高模態散射能通量方面具有同效率。 5 、凸地形上臨界點附反射,反射波波射線能夠延伸到深海和陸架,凹地形上臨界點附反射,反射波波射線很快遇到地形發生二次反射,一般來講二次反射后回到深海波動其速度剪切並不很強,但是在進行二次反射之前區域,速度剪切仍然很強,因而內波在凹地形上反射依然能夠在地形附區域,產生強速度剪切區,誘發混合。
  16. Such as the models assume that the communication times between all process pairs ( a sending process and a receiving process ) in the computation are equal. it is a reasonable approximation when the entire computation is performed on a single machine. but when the computation is executed on a grid environment, it is not reasonable for communication costs over different communication links is differ

    當所有計算任務都在單獨一臺機器上執行時,這些發送接收進程對之間通信時間是近似相等的;但是當計算是在一個網格環境上運行時,由於網格中通過不同通信連接通信時間是不一樣,所以這些發送接收進程對之間通信時間是不可能近似相等的
  17. The process of design in this paper is : lto select the stator configuration of pmsm refer to asynchronous motors whose capacity is similar to pmsm ' s. 2. to research the no - load airgap flux distribution, so as to select the rotor configuration, which consists of some important parameters, such as the permanent magnet dimension and pole arc figuration. 3. to calculate the important parameters x ~ and xa

    本文在電機設計過程中採用步驟是:參考功率異步電動機定子結構,並做適當修改,以確定永磁同步電動機定子結構;進行電機空載磁場研究,確定包括永磁體尺寸、極靴與定子內圓對表面外形關鍵參數在內轉子結構;對于極為重要電機參數x 。
  18. Branching characterized by successive forking into two approximately equal divisions

    二叉分枝式以多次叉分或兩個劃分特點分枝
  19. Optimization results of ieee 30 system validate that this method not only has the same superiority with ip off on calculating and decomposing spot prices, but also greatly quickens the calculation speed

    通過對ieee30節點系統計算並和內點法進行比較,表明快速實時電價演算法計算結果和內點法,但計算速度卻大大提高。
  20. According to the task and delay information of the floating - point unit, it was implemented with three - stage pipeline, including pre - normalization stage, calculation stage and post - normalization stage. approximately, the delay of each stage is equal with each other. also, floating - addition, floating - subtraction and floating - multiplication can been implemented by the floating - point unit

    根據浮點單元承擔任務及延遲信息,採用三級流線實現:前規格化級( pre - normalizationstage ) 、計算級( calculationstage ) 、后規格化級( post - normalizationstage ) ,每一級工作量和延遲
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