指數分佈定律 的英文怎麼說

中文拼音 [zhǐshǔfēndìng]
指數分佈定律 英文
power law of distribution
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名1 (法律; 規則) law; rule; statute; regulation 2 (律詩的簡稱) short for lüshi 3 (姓氏) a ...
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. The distribution of concentration still obeys the diffusion law, only the efftects of the group particle fall velocity and the dispersive force on the diffusion index z1 shall be considered

    懸沙濃度仍遵循擴散,但擴散教z1將受到顆粒群體沉速和離散力的影響, -般為y的函
  2. On the basis of a vast amount of data and materials, in this article, the regression analysis and the optimization technique are well combined to finish the analysis process of optimization of the law of distribution of automobile ' s failure. considering every aspect that can influence the automobile reliability, this paper determines and analyses the individual reliability indexes that can reflect the reliability situation

    本文在大量據和資料的基礎上,把回歸析技術理論和優化技術有機地結合起來,實現汽車故障優化的析過程,充考慮影響汽車可靠性的各方面因素,確析了能全面反映汽車可靠性狀況的可靠性單項標。
  3. Based upon the analysis of the data obtained during the survey, it can be concluded that : 1 ) the number of biomass of macrobenthos in the yellow sea and the east china sea in autuma is higher than that in spring, while the number of density of macrobenthos in autumn is lower than that in spring ; 2 ) the number of biomass of macrobenthos in the yellow sea is higher than that in the east china sea ; 3 ) the number of species in the yellow sea is lower than that in the east china sea ; 4 ) one of the characteristics of distribution of macrobenthos in the east china sea is that the species richness increased from the coastal waters to the offshore deep waters, from the north to the south. 5 ) the species composition in the deeper part occupied by the cold water mass of the yellow sea is more stable than that in the coastal part of the yellow sea in the late 40 ~ 50 years

    通過以上幾方面的析,結果表明: 1 )黃東海調查海域的秋季總生物量均高於春季,總棲息密度則低於早春季; 2 )黃東海春季生物多樣性高於秋季; 3 )南黃海、東海的水文特點顯著不同:東海底溫顯著高於南黃海底溫,東海底鹽亦高於南黃海底鹽; 4 )南黃海春秋季生物量無一致規,東海春秋季生物量除長江口外基本上自近岸向外海逐步降低; 5 )東海大陸架大型底棲動物的種類組成較南黃海更豐富; 6 )東海大型底棲動物的特點之一為:種類由北向南、由近岸(西部)向外海(東部)逐漸增多; 7 )在黃海冷水團控制的海域,其底棲動物種類組成較近岸海域穩; 8 )幾個生物多樣性各有側重,都能較好地反映底棲動物的特點
  4. Then, probability prediction model of durable life is founded. through discussing the probability characteristics of influencing factors, the law of durable reliability is analyzed, and the prediction method is validated by the experimental data

    建立了基於規可靠標的混凝土耐久壽命的隨機預測模型,通過探討影響因素的概率析了耐久可靠性的發展規,運用工程實際檢測據對本文提出的耐久壽命方法進行了驗證。
  5. A real physical system may involve many variables but only one or more of them can be detected by modem data collecting equipment in recent years, the technique of phase space reconstruction is frequently applied to analyse and process time series. its significance is that the topological characteristics such as fractal dimension can be obtained, on the basis of investigation and research about the technique of phase space reconstruction up - to - now, this paper is also devoted to develop a new method for the prombles of detecting deterministic chaos of time series obtained from experimental data

    一個實際的系統可能會涉及多個相變量,但在實際問題中只能得到部相變量的信息,近年來人們發展了相空間重構方法,能夠通過單變量信息重構吸引子,這種方法在時間序列析和處理中得到廣泛應用,其意義在於能在拓撲等價意義下恢復吸引子的拓撲特徵,本文第三章在國內外有關時間序列的相空間重構研究狀況基礎上,致力於發展對時間序列進行確性檢驗的新方法,即研究時間序列的和赫斯特,並在相空間重構的基礎上,提取吸引子的特徵
  6. Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further

    首先,本文在綜合析隧道穩性影響因素及失穩破壞模式的基礎上,對全長粘結式砂漿錨桿作用力學機理進行了深入研究,為全長粘結式砂漿錨桿的有限元模擬析奠了基礎;其次,針對傳統錨桿有限元模擬方法的局限性與不足,在上述全長粘結式砂漿錨桿作用力學機理研究基礎上,建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後,運用上述復合砂漿錨桿單元模型,引進非線性有限元析手段,開發了隧道支護穩析的有限元程序,並就全長粘結式砂漿錨桿的型式與設計參對支護效果的影響進行了深入探討,得到了對隧道支護設計具有導意義的結論;最後,運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算,探討了其應用方法,並就隧道變形與應力及塑性區進行了析,從而提出了合理的支護方案,為隧道支護設計提供了參考依據,完善了隧道全長粘結式砂漿錨桿支護的理論與方法。
  7. The endurance function of the insulation field is widely concerned in the power system. according to the equality between the two dimensional weibull distribution and the law of electrical aging, after the method for estimation of the voltage endurance coefficient is presented by the maximum likelihood estimation and the minimum square estimation of the two dimensional weibull distribution parameters, on the basis of the analysis of the test disadvantages under invariable voltage, the method of obtaining the voltage endurance coefficient under the intension increased by degrees is considered

    電氣絕緣電老化性能是電力系統普遍關注的問題,由於二元weibull與電老化在評價絕緣老化特性上存在等價性,本文首先介紹了二元weibull採用極大似然法和最小二乘法估計獲得電壓壽命的方法,同時在析其在恆電壓下試驗容易出現,由於電壓選擇不當導致試驗時間過長現象的基礎上,討論了利用場強遞增方式確電壓壽命的方法。
  8. On base of studying domestic and foreign theories and methods for evaluations of st achievements, this thesis analyze 10 methods for evaluations of st achievements, such as application frequency statistics, delphi, literature research and application relevance analysis, etc. by studying and analyzing the work of technology planning bureau, transport ministry between 1991 and 2000, and the evaluation items for the achievement identification, acceptance and check - up which were taken by transportation technology department, the author come up with some methods, which are scientific, standard and quantified, for evaluating transportation st, that is, in accordance with the transportation st achievement management and achievement precise database within eighth five and ninth five, and with the statistic analysis such as research contents, professional classification, intensity input, achievement characteristics, field distribution, characteristics of department undertaken, st talents characteristics, award inf ormation, characteristics and regularity of transportation st achievements, problems that are still existed and countermeasure are forwarded ; according to the requirement of evaluations system of the transportation st achievement, the principle and methods for the system designation are given, and the constitution of the system are provided ; in order to improving the scientific organization and management of our national transportation st achievements, many subjects are under discussion, including institution for evaluation of st achievement, valuation organization, standard for evaluation technology, database for consulting transportation experts and how to simplify the procedure of transportation st achievement, etc.

    本論文在對國內外科技成果評價理論、方法廣泛調查基礎上,研究析了諸如應用頻次統計法、德爾菲( delphi )法、文獻調研法、應用相關析法等10種科技成果評價的方法,通過對1991至2000年交通部科技計劃所實施情況,由交通科技主管部門組織進行了成果鑒、驗收和評審等成果評價的項目的析,提出了本人對交通行業對科技成果進行科學、規范和量地評價的方法,即:在建立「八五」 、 「九五」交通科技成果管理及成果簡要據庫的基礎上,通過對研究內容、專業類、投入強度、成果屬性、地域、承擔單位屬性、科研人員屬性和獲獎情況等諸多方面進行統計析,研究了交通科技成果的特點和規,提出了存在的問題和對策;從建立交通科技成果評價標體系的要求上,具體提出了交通科技成果評價標體系設計原則與方法探討了交通行業科技成果評價標體系的構成及權重確立等問題;從加強我國交通行業科技成果評價的科學化組織與管理出發,探討了如何建立科技成果評價制度、評價機構、統一的評價技術標準和交通行業專家咨詢據庫以及如何簡化交通科技成果評審形式等問題。
  9. As an example, the time series of china composite stock index is considered firstly, the distribution of five day ' s return on china composite stock index is studied. secondly, based on the r / s analysis hurst exponent is worked out and determination detecting can be done. lastly, the topological characteristics such as correlation dimension and maximum lyapunov exponent are extracted from time series

    作為例子,本文對中國股票時間序列做了實證析,首先研究了中國股票的五天收益率的,然後運用重標極差析方法計算出赫斯特,並以此為基礎進行確性檢驗,最後在相空間重構的基礎上提取吸引子的拓撲特徵
  10. And use relative fitting error to measure statistical data non - uniform error ; then introduce the method systematically of using the fuzzy comprehensive evaluation method to carry on the overall superior test of the government statistical data quality. includes the establishment of step level appraisal target system, target weight determination, calculates the factor weight in various levels, uniform test of judgment matrix, and built up the final fuzzy comprehensive evaluation model of the government statistical data quality according to the above - mentioned standard ; finally selects the partial main social economy total quantity target from chinese statistics yearbook 2003 to carry on the real diagnosis analysis : ( 1 ) confirm these social economy total quantity targets using the description statistics and the k - s inspection method to obey the lognormal normal distribution. ( 2 ) according to the two levels of inspection methods which this article proposed to carry on accuracy and the overall superior test for these social economy total quantity targets

    本文首先從統計據及質量的涵義出發,全面系統的介紹了統計據質量的概念;其次,從研究統計據的入手,對統計據準確性檢驗問題進行了探討,利用對正態檢驗對反映研究對象規模大小的統計據的質量及異常據進行量檢查和識別,並利用相對擬合誤差計量統計據的非一致性誤差;接著系統介紹了利用模糊綜合評價方法對政府統計據質量進行整體優度檢驗的思路,具體包括建立遞階層次的評價標體系,標權重的確,計算各層次中因素的權重,判斷矩陣的一致性檢驗,並根據上述標準建立了最終的政府統計據質量模糊綜合評價模型;然後通過從2003年中國統計年鑒資料中選取部主要的社會經濟總量標進行實證析: ( 1 )利用描述統計和k - s檢驗法來驗證這些社會經濟總量標服從對正態的規; ( 2 )按照本文提出的二級檢驗法來對這些社會經濟總量標進行準確性和整體優度檢驗,從而達到綜合評價政府統計據質量的目的;最後對這種二級檢驗法的優點和不足進行小結,提出今後應該努力改進的方向。
  11. Now in economical globalization, competition superheating and the information technology application has met development time rapidly, the informationization already became the life of enterprise and the core competitive power, enterprise ' s development cannot leave the informationization. because the enterprise informationization is a quite arduous complex systems engineering, to our country many overall enterprises said still was the brand - new topic, regardless of in the plan in the construction informationization process, the it enterprise, the consultant firm stemming from the pure business objective and the competition need, aware, not on own initiative misleads the enterprise, the exaggerating enterprise to the informationization technology, the application and the effect understanding, causes it to plan and constructs this enterprise the informationization project to be separated from the enterprise present situation. our country informationization construction both must quicken pace, and must embark from the reality. “ persisted the informationization impetus industrialization, the industrialization promotion informationization, walks the new industrialization path

    本文以企業信息化投資強度的為主線,描述了投資強度的以及曲線,從投資強度的控制對策入手進行析研究,根據投資強度的影響因素標體系的設計原則,設立影響因素標體系的設計層目標,在構建投資強度影響因素體系的基礎上,提出了投資強度影響因素總體設計框架和投資強度影響因素的標確認方法,利用科學的對比、統計手段,構建影響因素的結構性矩陣框架,創新性提出了影響投資強度匡算模型,本文系統性概括了信息化投資的二維界方法,針對企業信息化投資強度給出一個總體的概述,並且從信息化投資過程綜合復雜的關系中梳理出一個綜合模糊使用理模型。
  12. Power law of distribution

    指數分佈定律
  13. The precipitation and evaporation data at 12 observational stations from 1958 to 2003 were used to calculate the spring drought index, the criterion of spring drought and the spring drought index series were set up, the spatial and temporal features, yearly and decadal climate variability of the indexes of the loess plateau in gansu province were analyzed

    摘要利用甘肅省甘肅黃土高原地區12個代表站1958 ~ 2003年春季3 ~ 5月逐候降水、蒸發資料,建立了該地區早春旱和晚春旱序列,確了春旱等級標準,進一步析了春旱的時空特徵及其年際(年代際)變化規
  14. The normal distribution is suitable to express the daily arrival distribution. and the analytic approach of distribution parameter provides an academic base for the traffic sampling and survey at a waterway lock

    ( 2 )研究了船閘日到船的出其近似服從正態的確方法為船閘交通量的抽樣調查提供了理論基礎。
  15. Secondly, by using the great fem programme, analyzes the mechanism of bearing and deformation of rigid - soften composite piles foundation. draw a conclusion : exist a specific value, when the number of the rigid pile less than it, increase the number of the rigid pile, effect of reducing the settlement of rigid - soften composite piles foundation is distinct, on the contrary, when the number of the rigid pile more than it, increase the number of the rigid pile, effect of reducing the settlement of rigid - soften composite piles foundation is indistinct. finally, analyze and sum up some important design ' s constitutes of the rigid - soften composite piles foundation

    其次,採用有限元計算程序,對剛柔復合樁基進行了三維有限元析,考察了在不同荷載水平下,不同剛柔性樁比例的情況下,復合地基的平均沉降量、土體的沉降等值線和應力等值線以及剛性樁和柔性樁樁頂荷載比值隨不同基礎荷載水平的變化規,得出了一些具有實際導意義的結論:當總樁不變,長樁比例增加到一程度時,再增加剛性長樁的量對地基整體沉降幾乎沒有什麼效果;剛柔樁,柔性樁實際承載力小於其極限承載力時,外加荷載的增加,剛性單樁和柔性單樁所承當荷載的比值基本不變。
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