似是假設 的英文怎麼說
中文拼音 [sìshìjiǎshè]
似是假設
英文
as-if hypothesis-
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。The cause of the goodman paradox is not only the indiscrimination of the law - like hypothesis and accidental hypothesis but also such a characterization : it is unnecessary but improbable that the conclusion is false while the premises are all true ( " inductive probability " )
摘要之所以會產生古德曼悖論，不僅是因為類律假說和偶適假說的混同，而且也是因為對歸納的這樣一個似是而非的刻畫：假設歸納推理的前提都為真，則其結論不一定但很可能為真（即所謂的「歸納概然性特徵」 ） 。The existence of white holes is hypothetical, as they appear to violate the second law of thermodynamics
白洞存在是假設的，因為它們似乎違反熱力學第二定律。A physiological research study based on electromyographic signals honda, 1996 suggested that speech communication in human brain might be based on a topological mapping between speech production and perception, according to an analogous topology between motor and sensory representations
Honda在運用肌電圖的生理學研究中根據語音的運動和感知表象的拓撲相似性提出了一個假設，即語音在人腦中的信息傳遞和處理可能是通過語言生成和語音感知之間高效率的拓撲映射實現的。A calculation example is used to get some figure. the effect of phase shift and attenuation in temperature fluctuation by thermal mass can be observed in these figures. the cfd simulation of the similar modeling is carried out, the result of the cfd simulation is similar to the calculation example
在前面工作的基礎上，本文作者還利用cfd軟體模擬了和前面模型中相似的情況，即只考慮室內蓄熱體的蓄熱作用，假設外圍護結構是絕熱的，得到的室內空氣溫度變化趨勢與算例所得到的是很相似的。For species, adaptations to novel environments and the need to avoid crossbreeding with those on the other side of the split are both plausible hypotheses
對於物種，適應新環境的需要和避免與分化的另一方雜交都是貌似有理的假設。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。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This assumes that, as with previous ipos, the new share price soars above that of those already listed in hong kong
這是假設，與以前其他（回國發行股票的）紅籌股一樣，中石油的在國內的新股股價飆升，超過其在香港的股價（似乎應該是市值） 。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。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。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。It is firstly suppose that each node may correspondingly match curve ' s original point. secondly, the curve to match is divide into some sections. the absolute errors between two matching curves are compare in every section
文中首先假設曲線中的每個節點都可能是待匹配曲線的起點，然後根據等長度分段，比較兩匹配曲線之間的誤差絕對值，由此判斷曲線是否相似。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。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。Similarly, biologists have assumed that the absence of introns from prokaryotes was a consequence of intense competitive pressures in the microbial environment : evolution had pruned away the introns as deadweight
生物學家也以類似的想法，假設原核生物之所以缺乏插入子，是因為微生物處于競爭激烈的環境中的結果：插入子的重擔被演化給修剪掉了。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It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan
首先，藉助hilbert空間理論，提出了距離估計的d -解，給出了d -解的必要條件，這個條件在線性函數類里即是極小二乘估計法， d -解的必要條件滿足的方程實質上將極小二乘估計法推廣到多函數及非線性函數類。再而，詳細地研究了多元弱平穩序列自回歸模型ar （ p ）的參數經典的矩的替代估計和極大似然估計，獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平穩序列自回歸模型的均值、白噪聲的協方差陣的極大似然估計都有依分佈收斂到多元正態分佈的統計性質。This may be one of the reasons for the pervasive belief that object allocation is expensive - earlier jvm implementations did not use copying collectors, and developers are still implicitly assuming allocation cost is similar to other languages, like c, when in fact it may be significantly cheaper in the java runtime
以前的jvm實現沒有使用復制收集器這可能是對象分配是昂貴的這一想法是如此普遍的原因之一，開發人員仍然下意識地假設分配成本與其他語言（如c ）類似，而事實上在java運行時中可能要廉價得多。To reduce the computational demand, approximations and assumptions are made to simplify the governing equations. as such, the numerical simulation will never be a perfect representation of the real atmosphere
為了減省計算量，模式往往採用某些近似和假設去簡化基本方程式，因此計算結果也就不是百分之一百真正大氣的寫照。分享友人