近似假設 的英文怎麼說

中文拼音 [jìnsìjiǎshè]
近似假設 英文
approximation hypothesis
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 假 : 假名詞1. （按照規定不工作或不學習的時間; 假期） holiday; vacation 2. （經過批準暫時不工作或不學習的時間; 休假） leave of absence; furlough
  • 設 : Ⅰ動詞1 （設立; 布置） set up; establish; found 2 （籌劃） work out : 設計陷害 plot a frame up; fr...
  • 近似 : approximate; similar; approach; approximation; roughness; propinquity
  1. During the previous analysis of asphalt pavement structure with cracks, the stress intensity factors were usually calculated approximatively using plane strain model for some limitation. however, the assumptive load of this model is not coincident to the practical load

    在以往分析含裂縫的瀝青路面結構時，由於條件的限制，通常是假設瀝青路面結構近似為一平面應變模型，但是這種模型所假設的荷載與實際作用的荷載有較大的區別。
  2. Recent scientific evidence seems to indicate that this assumption is incorrect.

    近來的科學證據似乎表明此假設有錯。
  3. This idea rooted in the supposal that combustion pressure is a pulse force and the characters that wavform parameters are sensitive to pulse

    這思路來源於將柴油機作功沖程的爆發力近似看成一個脈沖激勵的假設，以及波形參數對脈沖激勵敏感的特點。
  4. Under mild assumptions on the inexactness, we can find an e - approximate solution of the socp by using this algorithm

    在相對不精確的假設下，利用該演算法可找到二次錐規劃的-近似解。
  5. Based on the green ' s formula and the assumption of the propeller blade ' s thin sections, a lifting - surface method of propellers with the vortex lattice and equal source panel distributions on the mean camber surface has been introduced for the prediction of steady propeller ' s hydrodynamics in this paper. an approximate kurta condition was applied

    基於creen公式和薄翼理論假設導出的升力面方法，採用在螺旋槳拱弧面上分佈離散渦、源布置方法預報均勻流場中的螺旋槳的定常性能，螺旋槳尾渦面上壓力連續性條件採用近似的kutta條件處理。
  6. In the two - body case, the approximate equations of relative motion on elliptic orbits are derived

    在二體假設下，推導了橢圓軌道上相對運動方程的近似形式。
  7. For structural member, the following assumption may be taken : failure perfect correlation assumption of structural member : when structural member failure, the function restriction that correspondence to the most serious failure mode will failure first ; or when structural member failure, the serious failure mode will be true first

    對于結構構件，可以近似採用失效模式全相關假設：構件失效模式全相夫假設：構件夫效時，構件最嚴重失效模式所對應的功能函數或約束首冗破壞；或構件火效時，最嚴重大效模式首先為真。
  8. Get the main conclusion as follows : when producing advantage enterprises in horizontal merger, if the figure of leaders enterprise do n ' t equal to zero, the horizontal merger motive exists, and under certain condition, this kind of horizontal merger will increase the social total welfare, this is exactly the reason why horizontal merger gets support ; when horizontal merger does not produce advantage enterprises, the condition that the motive exists is extremely harsh, and this kind of merger rises the product price and reduce the social total welfare ; when the market is couront market, if merging side ' s production capacity after merge ca n ' t reach optimum in theories satisfied, so long as its production capacity exceed the sum of optimum output of merger participate, merge motive exists, and horizontal merger will increase the social total welfare rises ; when high - level enterprises merge low level enterprises, because merging side ca n ' t get profit or those do n ' t participate in merger get more profit than merging side, motive

    得到主要結論如下:當橫向並購產生優勢企業時，原先市場的領導層企業數目不等於零時，橫向並購動機存在，而且在一定條件下，這種橫向並購會使社會福利增加，這正是橫向並購得到支持的原因所在;當橫向並購不產生上優勢企業時，動機存在的條件極為苛刻，基本上與不產生優勢企業的假設相違背，可以認為這種並購的動機不存在，而且這種並購導致產品價格上升，社會總福利降低;如果市場近似古諾競爭市場，並購后並購方生產能力不能滿足理論上的最優產量，只要其生產能力超過並購前參與並購各方的最優產量之和，那麼並購動機就會存在，而且橫向並購會導致產品價格下降，社會總福利上升;當處于高層次的企業並購低層次企業時，由於並購者不能獲利或者未參與並購者獲利增加比並購方多，並購動機不存在或者很微弱。
  9. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的
  10. In the eme model, the electron energy balance equation is taken into account and the transport coefficients are assumed to be the functions of the electron mean energy. in this paper, a software is programmed to simulate the discharge process of plasma display cell of coplanar - electrode type, the matrix - electrode type and the novel shadow - mask pdp according to the gas discharge mechanism and fluid simulation theory. the simulation results show that both lfa model and eme model can be used to investigate the discharge characteristics of the cell, but the eme model is preferred for its better coincidence with theories and experiments

    在本文中，分別使用本地場近似的lfa （ localfieldapproximation ）流體模型和假設碰撞反應系數、傳輸系數和電子的平均能量相關的eme （ electronmeanenergy ）流體模型對pdp放電過程進行模擬，比較分析模擬結果，得出eme模型和lfa模型對放電的繁流、起輝放電、熄滅等過程的描述的基本趨向是大致相同的，而從模擬工作電壓與實際電壓的接近程度和放電效率角度比較， eme模型的模擬結果跟理論和實驗結果更為相符。
  11. Under the assuption of generalized subconvexlikeness, the optimality conditions of set - valued optimization problems in linear space are established by using obtained gordan - farkas type alternative theorem. under the assuption of near subconvexlikeness and - generalized convexity, the optimality conditions of set - valued optimization problems in linear topological space are established by using alternative theorem of near subconvexlikeness and obtained farkas - minkowski type alternative theorem. the concepts of super efficient solution and - super efficient solution are defined in normed space, and the optimality conditions of set - valued optimization problems are established under the assuption of semi - preinvexity

    在廣義次似凸性假設下，利用已獲得的gordan - farkas型的擇一性定理，建立了線性空間中集值優化問題的最優性條件。在近次似凸和-廣義錐凸性假設下，利用近次似凸集值映射的擇一性定理和已獲得的farkas - minkowski型的擇一性定理，建立了線性拓撲空間中集值優化問題的最優性條件。
  12. In this paper the model of flexible manipulator is firstly studied. to design and analyze the system easily, reasonable assumption and approximation on the model are used. the closed dynamic equation is derived using lagrangian approach

    為便於系統分析與設計，對模型進行了合理假設和近似處理，進而利用拉格朗日方法推導出了柔性臂系統動力學方程的封閉形式。
  13. The dissertation mainly aims at applying several active machine learning strategies to intrusion detection and systematically studies signal analysis techniques of intrusion detection based on statistical learning theory ( slt ), symbol inductive learning theory and genetic learning method. meanwhile, performance comparison and evaluation among intrusion detection techniques based on different machine learning strategies are presented according to computational learning theory and statistical hypothesis test methodology. intrusion detection is regarded as a pattern recognition problem in term of statistical learning theory ; i

    本文的主要工作是將目前幾種有生命力的機器學習策略應用於入侵檢測技術中，論文從入侵檢測的不同視角出發，系統深入地研究了統計學習理論、基於符號的歸納學習理論和遺傳學習方法在入侵檢測信號分析中的應用技術，並在可能近似正確（ pac ）學習框架下，利用計算學習理論和統計假設檢驗方法對基於不同機器學習策略的入侵檢測方法進行了性能比較和評估。
  14. It was proposed that the reduction in pr ( n ) during the electric fatigue process was probably caused by the increase of a domain and anti - ferroelectric c * domain ( both leading to the increase in non - switching of c domain ) in combining with the experimental observation that the pr ( n ) values lowered with the rise of n. the equation which can be used to calculate the differences in non - switchable domain due to the increase of n was also given. variations of domain - switching with changes of n are discussed according to the in - situ xrd measurements

    根據原位xrd實驗觀測結果，給出了c a疇的90疇變的近似估算公式，並結合宏觀剩餘極化強度隨n增加而降低的實驗觀測，提出了疲勞過程中材料的剩餘極化強度p _ r （ n ）降低是由於a疇的增加和反鐵電c ~ *疇增加導致不可翻轉c疇增加共同造成的假設，並給出了不可翻轉疇隨n增加而變化的估算公式。
  15. This flexion of graph can be defined as criterion of coal ignition character under excessive oxygen supply. based on viewpoints of coal ignition, we put forward assumption aiming at ignition character of coal with excessive oxygen. in this thesis, with comparison of average temperature increase among eleven kinds of coal, the following are obtained : homogeneous ignition happens when coal has higher volatile matter and there is a approximative direct - ratio relationship between temperature hoist before flexion and content of volatile matter ; on the other side, heterogeneous ignition occurs for the coal with lower volatile matter content because of collective influence of volatile matter and fixed carbon combustion, and one - to - one relationship between temperature increase before flexion and content of volatile matter does not exit

    以煤著火性質研究的觀點為基礎，對煤在過氧條件下的著火性質提出假設，通過11種標準煤樣在過氧條件下燃燒實驗，對比了拐點前後平均溫升與煤樣成分的關系，證實了揮發分含量較高的煤在過氧條件下發生均相著火燃燒，拐點前後量熱系統的溫升分別與揮發分和固定炭的含量成近似正比的關系；而揮發分含量較低的煤在過氧條件下發生非均相著火燃燒，拐點之前量熱系統的溫升由於受到揮發分和固定炭同時燃燒的影響，因而不存在溫升與揮發分含量之間單一的對應關系。
  16. In inverse problem of ert, the linear back projection algorithm based on sensitivity field is used to reconstruct the qualitative image. assume that the change of conductance is slight, so the sensitivity can be approximately

    在電阻層析成像的成像演算法方面，論文中使用了基於敏感場的線性反投影演算法，假設電導率分佈的變化不是很大，則場內敏感場系數的分佈可近似的認為不變，這樣就可利用敏感場矩陣直接求取多幅圖像。
  17. However, in recent years, a series of test result show that network traffic flow is self - similar and long - range dependent ( lrd ), which break old basic suppose that network traffic flow is short - range dependent. then, the conventional method has not been applied to these traffics

    然而，近年來一系列的測量結果表明，網路業務流量顯示自相似、長相關性，打破了原有網路流量是短相關（ srd ）的基礎性假設，傳統的方法已不適用。
  18. For lack of anthropometric datum about the elderly and the disabled, in chapter 2, according to a conclusion that senility of the elderly could result in some changes on body dimensions, the thesis amends " the human dimensions of chinese adults ", and approximately arrives at part human body dimensions of the elderly ; on the other hand, in view of some lower - limb disabled have strong dependence on wheelchair, the thesis gets to part approximate dimensions of lower - limb disabled in wheelchair by assuming that normal person sitting in wheelchair

    由於缺乏老年人和殘疾人人體測量方面的權威性統計數據，在第二章中本論文根據老年醫學資料中關于老年人的身體衰老而引起的人體尺寸變化的結論，對中國成年人人體尺寸進行修正，從而近似推出老年人的部分人體尺寸；由於乘坐輪椅的殘疾人對輪椅的依賴性很強，論文假設健全人坐在輪椅中，近似得到坐在輪椅中的下肢殘疾人的部分人體尺寸。
  19. Abstract : based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    文摘:在研究疲勞過程中材料強度退化規律的基礎上，建立了一個強度退化模型.對其進行隨機化處理，得到控制強度退化過程的隨機微分方程.在一定假設條件下，獲得了剩餘強度概率密度函數的封閉解，並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明，本文的模型和方法是合理的
  20. This eos is thought a supplement to the gruneisen eos for it utilizing pressure p and temperature t as its variables. a statistical mechanics proof had been presented, so the substance parameter r in the eos first time has its virtual definition and then can be used without any other eos. additional, some other points of this eos also have been discussed, for example, the r = r ( p ) hypothetic

    本文（ l ）給出了這種物態方程的一種統計力學推證，給出了方程中物質參數r的微觀定義，從而使該方程能不再依賴于gruneisen物態方程而獨立存在; （ 2 ）研究了r的特性，證明了r = r伊夕假設具有一定的近似合理性，但以常壓實驗數據的實際檢驗顯示， r具有相對較大的溫度系數，這是在今後的理論研究和實際應用中應該加以重視的。
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