approximate theory 中文意思是什麼

approximate theory 解釋
近似理論
  • approximate : vt 1 使接近。2 接近;走近。3 近似,約計。4 模擬。5 估計。vi 近於。 His income this year approxima...
  • theory : n. 1. 理論,學理,原理。2. 學說,論說 (opp. hypothesis)。3. 推測,揣度。4. 〈口語〉見解,意見。
  1. We are entirely justified in using the approximate theory.

    我們用近似理論就完全正當。
  2. The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented

    本文首先對國內外的研究現狀作了回顧和總結,然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究,主要內容有: ( 1 )將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體,研究它的應力應變關系,充分考慮它的各向異性,得到土工織物加筋粉煤灰復合體的本構模型,然後通過大量室內試驗進行分析驗證; ( 2 )引入有關滲流理論,即柯茲尼-卡爾曼( kozeny - carman )經驗公式,將滲透系數引進到土體本構關系中。
  3. Abstract : the more detailed mathematial derivation and analysis of watson transformation in diffraction theory of ground wave is made by two different method. in derivation necessary and approximate conditions requred to make the transformation are specially discussed

    文摘:採用兩種不同的方法對地波繞射理論中的瓦特松變換問題做了較詳細地數學推導,並著重討論了做瓦特松變換的要求的必要條件與近似條件。
  4. Applying the results to optimal controller to realize the minimizer of the cost function of mkdv - burgers equation under neumann and dirichlet boundary control. secondly, using inertial manifold and approximate inertial manifold theory, the approximate inertial manifold under fourier bases is given and we construct a set of odes of three modes to obtain the long - time dynamic behavior

    其次,利用慣性流形和近似慣性流形理論,給出mkdv - burgers方程在fourier基下的近似慣性流形,並且把這一方程所確定的無窮維動力系統約化為一組三模態下的常微分方程組,從而研究這一方程所確定的動力系統的長期動力學行為。
  5. By introducing proper stretchy variable and constructing boundary layer function, it concludes n - order approximate solution, and using theory of differential inequality, uniformly validity of asymptotic expansion is proved

    通過引進適當的伸長變量,構造邊界層函數,得到了解的n階近似值,並利用微分不等式理論證明了解的漸近展開式的一致有效性。
  6. The approximate theory which applies to water tables of low slope is due to dupuit.

    應用於低坡度水面的近似理論來自於裘不依。
  7. For the first time, the unified " hot " dispersion equation which can be used to analyze structures with different groove profiles is obtained by means of an approximate self - consistent field - theory

    採用近似自洽場論的方法,首次得到了適用於分析不同螺旋槽結構的統一的「熱」色散方程。
  8. Basic properties of the induced logic metric space are investigated, of which theories of divergency degree and consistency degree of a logic theory are developed, and three types of approximate reasoning models are proposed as well, and an elementary quantitative logic theory is hence established

    基於此,提出了公式間的相似度與偽度量,研究了所得的邏輯度量空間的基本性質,提出並研究了邏輯理論的發散度與相容度概念,給出了三種近似推理的模式,初步建立了計量邏輯學理論。
  9. An interesting property of this approach is that it is an approximate implementation of the structural risk minimizaiton ( srm ) induction principle. in this thesis, the theory and method of support vector machines were studied in the given application, text - independent speaker recognition

    支持向量機是在統計學習理論的基礎上發展而來的一種新的模式識別方法,在解決有限樣本、非線性及高維模式識別問題中表現出許多特有的優勢。
  10. Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design

    將自動化儀表中實現線性輸出的六桿導桿機構轉化為基礎轉動導桿機構,應用經典的機構近似綜合理論與現代的誤差理論,建立了速度逼近常數的數學模型,討論了主要機構參數存在區域及對運動、動力性能的影響,分析了傳動比理論誤差,提出了系統完整的計算機輔助尺度綜合的步驟與方法。
  11. A theory for the analysis of the arbitrarily - shaped helical groove structure is obtained by means of an approximate field - theory

    採用近似場論的方法,獲得了一種分析任意槽形螺旋槽結構的普遍理論。
  12. For the first time we investigate detailedly on the theory of the conductor - centered arbitrarily - shaped helical groove structure. we divide the arbitrarily - shaped helical groove into many consecutive small rectangle area to approximate the original groove. the recurrence relation of the admittance is obtained

    首次對具有中心導體軸的任意槽形螺旋槽結構的普遍理論進行了研究,通過以多層矩形階梯來近似代替任意形狀槽的邊界的方法,同時對導納的遞推關系進行了詳細的推導。
  13. The thesis summarizes the basic theories of price discrimination, expatiated on the multi - class differential pricing method and dynamic differential pricing theory ; concludes the factors that have impacts on tickets - price, analyses and classfies the factors ; brings forward a canonical method of market segmentation, introduces the process of market segmentation based on the model of gray relative level, discusses the idiographic measure of ticket - price control ; improves the academic achievements of former scholars, puts forward a model of multi - class dynamic differential pricing for the air passenger transport, which is based on the maximum revenue for the airline industry, and gives a approximate arithmetic of the model, then showes the application of the model and its feasibility on increasing airline industry ’ s revenue by 25 models

    在對民航定價的國內外研究現狀進行綜述的基礎上,從經濟學角度介紹差別定價的基本理論,闡述民航客運的多等級差別定價理論和動態差別定價理論;對民航票價的影響因素進行分類說明;作為多等級定價的基礎,提出市場細分的標準和方法,用灰色關聯度模型解決航空旅客市場細分問題,並提出票價控制的具體措施;引入一種旅客到達頻率預測的統計方法,以航空公司收益最大化為目標,建立基於多等級定價基礎上的動態差別定價模型,即多等級動態差別定價模型,給出模型的遞歸演算法,通過對動態差別定價模型的運行結果進行分析,建立模型的一種近似模型,並且用25個簡單算例說明模型的用法以及在提高航空公司收益方面的可行性。
  14. Use the equidistant alternating theory to calculate the approximate equation of gear tooth profile about spiral bevel gear

    計算螺旋錐齒輪近似齒廓方程等距變換法
  15. A popular solution toimprove the speed and scalability of the association rule mining is todo the algorithm on a random sample instead of the entire database. buthow to effectively define and efficiently estimate the degree of errorwith respect to the outcome of the algorithm, and how to determine the samplesize needed are entangling researches until now. in this paper, an effective and efficient algorithm is given based on the pac probably approximate correct learning theory to measure and estimatesample error

    關聯規則挖掘作為數據挖掘的核心任務之一,由於其任務本身的復雜性通常需要多次整個掃描數據庫才能完成挖掘任務且頻繁模式可能產生組合爆炸,使得從原始的大規模數據集上抽取一部分樣本,在其上尋找用戶感興趣的近似規則成為目前提高演算法效率和可擴展性的一種簡單有效的現實可行方法之一。
  16. Approximate calculation of super - cavity profile based on slender - body theory

    基於細長體理論的超空泡外形估算
  17. Aiming at the problem that the rotational response is difficult to measure in structural identification, an improved approximate algorithm based on generalized inverse matrix theory is developed for rotational response reconstruction

    摘要針對結構識別中轉角信息難以測量的問題,完善了一種基於廣義逆理論的轉角信息重構問題近似演算法。
  18. The impact behaviors of pp / eoc and pp / caco3 were compared. the toughening mechanisms of pp / eoc and pp / caco3 systems are firstly proved to agree well with wu ' s percolation theory. the essential condition occurring brittle - tough transition in two binary systems is that the matrix ligament thickness ( l ) is lower than the critical matrix ligament thickness ( lc ) which is approximate to 0. 095 ? m

    比較ppffioc和ppcacos二體系的增韌行為,發現加入eoc和cacos都能增韌pp ,首次驗證了新型彈性體eoc和無機剛性粒子cacos增韌pp的機理符合wu氏逾滲理論,二體系發生脆韌轉變的基本條件是基體帶厚度l小於臨界基體帶厚度人( 。
  19. There are many important applications in approximate theory, control theory and variation inequalities etc. according to the requirement of various subjects and applications, orlicz spaces is extended from the classical spaces lp

    一致凸是banach空間的重要幾何概念,其在逼近論、控制論、變分不等式等領域有著重要的應用。
  20. The standard model is successful in lower energy scale, but it is a low energy approximate theory. in higher energy scale the standard model must be expanded

    標準模型在較低的能量標度下是非常成功的,但它顯然是一個低能近似,在更高的能量標度上,必須對sm進行擴充。
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