逼近時間 的英文怎麼說

中文拼音 [jìnshíjiān]
逼近時間 英文
approach time
  • : Ⅰ動詞1 (逼迫; 給人以威脅) compel; force; drive; threaten 2 (強迫索取) extort; exert pressure ...
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • 逼近 : 1 (靠近 接近) press on towards; gain on [upon]; approach; crowd on; close in on; draw near 2 [...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. It drew closer, ever closer, through an infinitude of time, and he did not move

    它愈來愈,總是在向他,好象經過了無窮的,但是他始終不動。
  2. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后差全離散格式。給出了該全離散格式的誤差分析,得到了離散解未知函數u以及伴隨速度p的關于空的最優階誤差估計。
  3. Cascaded low - density erasure codes are based on sparse random bipartite graphs. very efficient linear time encoding and erasure recover algorithms with the arbitrarily near erasure channel capacity performance of the codes with respect to the algorithms have made them one of the most optimal coding techniques up to now

    基於稀疏隨機二部圖的級聯型低密度糾刪碼因其線性的編譯碼演算法和可任意刪除通道容量限而成為目前最佳編碼技術之一。
  4. The long - time behavior of legendre spectral approximation to fitz

    的長性態
  5. The first hypothesis is true according to the pd of 1 - year and pds of each quarterly in one year before special treatment and the second hypothesis also is true in three quarterlies before a corporation is specially treated. default probability of a specially treated corporation is high and tends to increase as time near the exposure date. 2. kmv model has a capacity of discriminating the bad borrowers from good borrowers. 3. volatility of market value of asset is determinant of default probability

    本文得出的主要結論有: (一)假設一在特別處理前一年及各個季度內成立,假設二在特別處理前三個季度內成立,我國資本市場中的特別處理公司具有較高的違約概率且隨著向特別處理實施日期違約概率增加; (二) kmv模型具有較強的對違約債務人的識別力; (三)影響違約概率的主要因素是公司資產價值波動率。
  6. To choose wavelet function based on time - frequency region is put forward, time - frequency region composing of all of these wavelet functions can overlay wholly time - frequency region of non - linear function to approximate

    本文提出了根據函數的頻空區域來選擇小波基函數,使這些小波基函數共同構成的頻空區域覆蓋完函數的頻空區域。
  7. In this paper, systemic theoretic analysis of the relationship of stock structure and operating performance is progressed, based on this, theoretic study and demonstration analysis organic fall together, and the neural networks model that can reflect their relationship total and systemic is established. the input variable of the model can reflect the panorama of stock structure, also, it can embodiment other influence factor of company performance. the evaluation target system that can reflect the operating condition of listed companies completely, impersonality and truly is advanced, at the same time, the best result weights confirm method is brought forward, thereby, the fuzzy integrate evaluations method is improved

    本文對股權結構與經營績效之的關系作了系統的理論分析,並在此基礎上,將理論研究和實證分析有機地結合起來,建立了一個能全面、系統地反映它們之關系的神經網路模型:該模型的輸入變量在反映股權結構全貌的同又體現了公司績效的其它影響因素;提出了可以全面、客觀、真實地反映上市公司經營狀況的評價指標體系,同提出了最佳結果權重確定法,從而改進了模糊綜合評價方法,並利用改進的模糊綜合評價法求出公司經營績效的綜合量化值作為神經網路的期望輸出;改進了神經網路模型的演算法,使其在樣本數據相對較少的條件下也能很好地在性態上模擬被函數。
  8. The integral method via a scaling and squaring algorithm with the pade approximation is presented. the three - stage lobatto iii a formula is applied to structural dynamic time history analysis. and the three - stage lobatto a formula to use hermite third order interpolations to solve interpolating middle input between two boundary points is present, which provides more accurate solutions

    提出了基於自適應變尺度pad函數的精細積分方法;建立基於lobatto a一階代數微分方程邊界問題數值求解技術求解結構動力學問題的程分析方法,提出了中插值點hermite三次插值lobatto a數值逐步積分程分析方法。
  9. The kanerva ' s sparse distributed memory ( sdm ) tackles the problem of training large data patterns and extendes the storage mode of existing computer. but it ' s address array produced randomly ca n ' t reveal the distribution of patterns and it has ' t the ability of function approximation for its learning rule

    Kanerva的稀疏分佈存儲( sdm )模型解決了大維數樣本的訓練問題,推廣了現有計算機的存儲方式。但其地址矩陣的隨機預置方式不能反映樣本的分佈,並且sdm的學習方式使之不能用於函數序列預測問題。
  10. General method of similar sequence mining based on time series is to transform time series into discrete character series and cluster them into different sets, then compute the euclidean distance between querying series and these sets to measure their similarity

    摘要序列數據庫中相似子序列的搜索,常用滑動窗口、分形插值等方法將序列分割成各子序列,線性擬合各分段子序列,計算查詢序列與各子序列的歐氏距離,滿足距離閾值條件的為相似子序列。
  11. The function of stone artistic splice complete through to established basic design or source material warehouse with the help of others graph process software. besides author come up with a new program or machine method in accordance with stagger in the thicknes and vertical length at the stone sticking execution, i. e ensure the accuracy in measurement to approach subsection by space spiral line, the data used directly by numerical control machine. finally machined the stone become a spiral line columned surface arc slab

    此外,針對旋轉樓梯扶手石材貼片施工所出現的厚度和垂直方向易產生較大錯邊的問題,提出了一種新的建模方案和加工措施,即在保證測量精度的基礎上,分段以空螺旋線,經過計算機處理后的參數直接可供數控加工使用,最後把石材貼片加工成螺旋線型的柱面弧形扳。
  12. This paper consists of three chapters. the first one is the preparatory knowledge underlying this paper, including the basic concepts of the piece - wise deterministic markov processes ( pdmp ), the renewal equation, the key renewal theorem and some results about the classical risk model, which come from [ 2 ], [ 8 ] and [ 9 ]. the second one introduces the results about the general ruin probability in a kind of continuous - time risk model with the deficit - time geometric distribution of inter - occurrence times, in which claim sizes are discretly distributed. these come from [ 6 ]. the main body of this paper is the third one where we derive lundberg bounds, cramer - lundberg approximations to the ruin probability and finite - horizon lundberg inequalities

    本文共三章,第一章是奠定本論文基礎的相關知識,包括逐段決定馬爾可夫過程的一些基本概念、更新方程與關鍵更新定理的內容以及經典風險模型的介紹,主要取自[ 2 ] 、 [ 8 ]和[ 9 ] 。第二章介紹了該風險模型在索賠額分佈為一般分佈下的破產概率的一般表達式及相關定理,內容來自[ 6 ] 。第三章是本文的主體,求得了該模型的破產概率的lundberg界, cram r - lundberg以及有限破產概率的lundberg不等式。
  13. Although the rfc of mts systems corporation is a general methods to process road simulation test all over the world, it contains two disadvantages as follows : 1. before the fatigue test, it will take a long period to carry through the off - line iteration to acquire a series control values

    雖然美國mts系統公司的rpc方法是目前國際上進行道路模擬試驗普遍採用的方法,但它存在如下問題: 1系統進入正式的試驗之前,要用較長的進行離線迭代運算獲得控制量序列,逐步給定的隨機波形。
  14. The optimum technic conditions have been gotten in in preparaing high dispersive a1 ( oh ) 3 colloid by controlling reactant concentration, ph value, reaction temperature, matured time. they are the prereguisite to prepare nanopoder of a - a1203. this paper entirely and systematically studies the following three kinds of drying stages : oven drying, dehydration with alcohols and azeotropic distillation stage

    本文採用逐步法進行了氫氧化鋁膠體的沉降實驗,對膠體形成的體系反應物的初始濃度、體系的ph值、反應溫度和膠體的陳化進行了系統優化,並獲得了制備高分散氫氧化鋁膠體的最佳工藝參數;此膠體經過過濾、 80下烘乾后所得樣品,在掃描電鏡下直接觀察其粒徑為50nm ,且分佈范圍窄,顆粒的表面清潔,為球形。
  15. Since time sectional scan method ( tssm ) acts as the dominant partner in the panel display, attention is drawn to the aspect in the drive methods. according to functions approximation theory, the method of complex merging approximation tssm which utilize multiple dissimilarity @ subclasses to achieve precision visual perception scale control is proposed. the comparison examples are given thereinto

    首先,針對這種在平板顯示器顯示技術方面佔主導地位的驅動方法進行細致的研究,在此基礎上根據函數理論提出了平板顯示器片掃描的混合擬合驅動方法,該方法採用多組相異子集_ i ~ *完成高精度的符合視覺感覺的灰度級控制。
  16. On the basis of research on market efficiency, index funding, clustering algorithm and time factor, 295 stocks in shenzhen stock market are selected as the research objects. clustering algorithm with time factor is applied to choose portfolio population, and then single index model is used to calculate the weight of every individual stock in order to construct an index proxy portfolio to track shenzhen composite index

    本文在對市場有效性、指數化投資、聚類演算法和因子等有關理論進行分析研究的基礎上,以在深圳證券交易所上市的295隻股票為研究對象,使用加入因子的聚類演算法選擇證券投資群體,再利用單指數法構造市場指數代理證券組合,以此來深圳綜合指數。
  17. Through approximating the deformation space by using curve and surface offset techniques, we obtain a unified space deformation model. thus the sampling problem is solve naturally at the same time, we provide a unified kernel for the implementation of different space deformation models

    通過對曲線、曲面控制變形中的變形空進行等距的方法,我們實現了一個一維、二維、三維控制手段的統一空變形模型,這種統一不但自然地解決了曲線、曲面控制變形中的采樣問題,同為實現各種空變形提供了一個統一的數學模型。
  18. On the basis of displacement - time series of the slope, a nonlinear dynamic model is set up according to backus generalized linear inversion theory in this paper. due to the equivalence beween autonomous gradient system and catastrophe model, a standard cusp catastrophe model can be obtained through variable substitution. the method is used in analysis of displacement data of huangci landslide and wolongsi landslide and in understanding how slopes evolve before sliding. the result shows that the nonlinear dynamic model can make satisfactory prediction result. is it most important that there is a sudden fall of d, which indicates the occurrence of catastrophe ( when d = 0 )

    研究表明,滑坡變形失穩過程具有混沌和分維特性,可以用分形理論來研究滑坡預測問題,基於對任一連續函數,至少在較小的鄰域內可以用多項式任意的數學理論,運用改進的backus廣義線性反演理論,以斜坡位移序列為基礎,反演了斜坡演化的非線性動力學模型。並利用自治梯度系統與突變模型的等價性,通過變量代換得到標準的尖點突變模型。
  19. And at one point, i started thinking privately, " i wonder if fred is finishing up on this piece, " because it was really getting desperate, we were getting so close to the concert date, and i thought, " omigosh, i wonder how much more there is, you know ?

    但是有一點仍使我忐忑不安,我暗自忖度:菲德是否能及完成這部作品?因為當已非常音樂會的日子,上真的相當急迫。我不禁想著:天啊!
  20. But all designed software before in our country still have some weakness, for example, the conventional type of cam counld be projected by these software is very little, and used approximation by lines to curves of cam which have bigger error and more nodal points that result in chattering of principal axis. in furthermore, this software of designing cam in fact only has the function of cad. if you want to simulate and work over the designed cam in that software, you will find that you have to export it to other cad / cam system software ( e

    隨著數控加工在我國的深入開展,真正實現我國的凸輪cad cam就顯得非常必要,但以往的凸輪設計軟體還存在許多不足,如可設計的凸輪類型較少,大多集中於平面凸輪;且採用誤差較大、節點數過密的直線法生成凸輪工作曲線,造成計算長,且加工中產生較大振動;同這些凸輪設計軟體基本上只具有cad功能,如果想將設計好的凸輪進行模擬和加工,就必須將圖形輸出到其它通用cad cam軟體(如mastercam等)中,因此這些軟體在實際應用中總不盡人意。
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