數回 的英文怎麼說

中文拼音 [shǔhuí]
數回 英文
slither_link
  • : 數副詞(屢次) frequently; repeatedly
  • : 回構詞成分。
  1. Today, most cyclotrons are used either for instructional purpose or for isotope production.

    今天大多數回旋加速器是用在教學上,或者用於同位素生產。
  2. Edgeworth expansion of random weighting estimation in semi - parametric regression model

    半參數回歸模型隨機加權估計的漸近展開
  3. In allusion to the disadvantages of the methods we usually use, quantile regression is introduced and the goodness of fit is improved effectively

    針對當前常用混合成本分解方法的不足,本文引入百分位數回歸方法,有效提高混合成本分解的擬合優度。
  4. One is the evt - based var model ( including gev model and gpd model ), the other is the quantile regression var model. secondly, i evaluate predictive performance of a selection of var models for chinese stock market data. these var models include riskmetrics method, historical simulation, monte carlo method, and the three recent models based on quantile regression and extreme value theory

    本文首先重點探討了極值分佈var模型(包括廣義極值分佈和廣義帕雷托分佈兩個模型)和分位數回歸var模型;然後在此基礎上將六個var模型(包括上述三種模型、歷史模擬法、 riskmetrics方法以及蒙特卡洛法)實證應用於估計上證指、上證180 、深證成指、深證綜指95 var和99 var ;同時採用區間預測法、損失函法和符號檢驗法對這些var模型進行了選擇評估。
  5. Estimation for a class of semiparametric regression model with censored data

    截尾據下一類半參數回歸模型的估計
  6. The weighted kernel estimators of nonparametricregression function with censored data

    截尾據非參數回歸函加權核估計
  7. Weighted kernel estimator of nonparametric regression functions with censored data of sequences

    相依截尾據非參數回歸函加權核估計
  8. The essence of the above estimating methods is local estimator or local smoothing technique. in general, the non - parametric regression function is. well estimated by the above methods when the covariable x is one dimension

    這些方法本質上講都是局部估計或局部光滑,當歸變量x為一維變量時,非參數回歸函用這些方法一般都能得到很好的估計。
  9. In this paper, we use nonparametric regression method in chinese financial time series, we also use both kernel regression after improving cross - validation function and local polynomial estimation of regression under mixing condition to study and analyze the volatility in chinese stock market

    在本文中,我們把非參數回歸的方法運用到我國實際的金融時間序列據之中,討論了我國股價指收益率序列的易變性。而在用非參數回歸進行估計時,選擇合適的窗寬有著重要的意義。
  10. Towards the end of the year, the us dollar strengthened again against the yen in the face of a deepening recession in japan, and the eeri rose back to close the year at 106

    接近年底時,日本經濟衰退進一步惡化,令美元兌日圓再度轉強,於是港匯指數回升,年底時收市報106 。
  11. Abstract : the year 2003 witnessed the sound performance of shanghai ' s commerce with all the economic indexes fulfilling the goals, which was featured with ten characteristics, such as the further expansion of retailing scale, the increasing contribution to gdp by commerce, the rebounding indexes in price and consumption, etc

    摘要: 2003年上海商業各項經濟指標完成情況良好,呈現零售規模進一步擴大、商業gdp的貢獻率進一步提高、物價消費指數回升等10個特點。
  12. ( 4 ) the applications of bp neural network prediction gm ( 1, 1 ) prediction of new information with the same dimension non - linear exponential regression prediction in regional social - economic indexes are discussed in this paper

    ( 4 )探討了bp神經網路預測、灰色gm ( 1 , 1 )等維新息模型預測和非線性指數回歸預測等方法在區域社會經濟指標預測中的應用。
  13. Morning excursion to the famous swiss holiday resort of interlaken. this famous resort is situating in between two lakes and the jungfrau mountain range

    今早開車南下,但見群峰白雪皚皚,山路綿延不斷,在無數回轉之下,進入世界著名滑雪渡假勝地茵特拉肯。
  14. Iterative method of semiparametric regression models

    半參數回歸模型的迭代法
  15. This paper aim at guiding drilling basic theoretical research lag behind on reality that project practice at present, on the basis of analysing the technology and principle and researching current situation in detail, through a series of calculation draw the comparatively rational formula of guiding drilling ' s the most important parameter - pull

    本文針對當前非開挖導向鉆進基礎理論研究滯後於工程實踐的現實,在詳細分析工藝原理和研究現狀的基礎上,通過一系列計算,得出較為合理的導向鉆進最重要的參? ?拖力的計算公式。
  16. This course uses computer - aided design methodologies for synthesis of multivariable feedback control systems

    本課程使用電腦輔助設計法則來合成多變數回授控制系統。
  17. Long before the accident, master had let me rehearse the event many times in a dream. she even told me, " you will be showered with blessings once you escape this disaster.

    其實,早在出事之前,師父已讓我在夢中演了又演數回,還告訴我大難不死必有後福!
  18. Impedance, reflection coefficient, return loss, and vswr test procedure measured in the time and frequency domain for electrical connectors, cable assemblies or interconnection systems

    電連接器電纜附件或互連系統在時間和頻率域中測量的阻抗反射系數回程損耗和vswr試驗程序
  19. In chapter, we study the nonparametric and linear model with weak sta - tionary linear model

    在本文的第三章中,研究了誤差是弱平穩線性過程的線性模型與非參數回歸模型。
  20. This paper consists of two parts : in the first part, we will discuss the prob - lem of the pth - mean, complete consistency for the estimators of a nonparamet - ric and linear model with l ~ p - mixingale errors ; in the second part, we will dis - cuss the problem of the rth - mean 、 complete consistency for the estimators of themodels above with weak stationary linear process errors and the uniformly mean consistency. to the nonparametric model y _ ni = g ( x _ ni ) + _ ni, 1 i n, let g _ n ( x ) = w _ ni ( x, w _ n1, … ? xnn ) y _ ni estimate the unknown function g ( x ). to the linear model y _ i - x _ i1 1 + … ? + x _ iq ? _ q, we use lse _ nj to estimate the unknown parametric _ j

    本篇論文主要是由兩大部分內容構成:一是關于誤差是l ~ p ?混合序列的線性歸模型參的最小二乘估計與非參數回歸模型未知函的權函估計的p ~ -階平均相合性和完全收斂性問題;另一部分是關于誤差是弱平穩線性過程的線性模型參的最小二乘估計與非參數回歸模型未知函的權函估計的r ?階平均相合性和完全收斂性以及權函估計的一致平均相合性問題。
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