累積分佈數 的英文怎麼說

中文拼音 [lěifēnshǔ]
累積分佈數 英文
cumulative distribution function
  • : 累Ⅰ形容詞(疲勞) tired; fatigued; weary Ⅱ動詞1. (使疲勞; 使勞累) tire out; wear out 2. (操勞) work hard; toil
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 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
  • : 數副詞(屢次) frequently; repeatedly
  • 累積 : accumulate累積服刑 [法] accumulative sentence; 累積股本 cumulative capital stock; 累積股息 cumula...
  1. Cumulated distribution function cdf

  2. Influences of initial damage on development of spalling damage have been indicated by analyzing the distribution of void number density, the cumulative percentage of void volume and the volume fraction of the different - seize voids

    通過析孔洞密度、孔洞體比、不同大小孔洞所佔體份額的計算結果,指出初始損傷對損傷演化有直接影響。
  3. Cumulative distribution function

  4. The studies of in - layer heterogeneity are as follows : the text depicts the characteristics of heterogeneity by calculating the coefficient of variability, kmax / k and k. max / k. min of sand layers of different sedimentous microfacies ; divides interlayer into two types, and counts their numbers, thickness, frequency and density of a single sand layer according to the characteristics of lithology and logging, finally summarizes the characteristics of interlayer distributing ; sets up five in - layer heterogeneity models and points out that the primary models are model a and c. the studies of between - layer heterogeneity are as follows : the text depicts sand layers " growth and distributing conditions by calculating the lamination factor, sandstone density and overlap coefficient ; makes certain the lithology and thickness of interlayer by the method of contrasting the typical curves

    層內非均質性研究,通過計算不同沉微相砂體滲透率的變異系、突進系以及級差來說明主要儲集微相的非均質特徵;據巖性及電性特徵,將層內夾層為兩類,統計單砂層段內夾層的個夾層厚度、夾層頻率及夾層密度,並且根據夾層頻率及密度平面布圖統計出每層的頻率相對高值區和低值區,總結夾層特徵;根據物性參隨深度的變化趨勢建立了五種儲層層內物性非均質模式,指出研究區內以a型和c型模式為主。
  5. Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given

    然後通過利用失效概率等概念,對每個導出的子組據集聯合運用最小二乘法、貝葉斯定理和對單一威布爾的參估計法,從而得到每個子總體的滿足極大似然原理的參估計,給出了該混合總體平均壽命和可靠度的估計。
  6. The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands, irrigation induced soil salinity, subsurface drainage for agriculture ( horizontal and vertical ), reuse of groundwater, ground - water hydraulics, ( geo ) hydrology, rainfall and surface runoff relations, reclamation and improvement of water logged saline, salty, sodic alkaline, and acid sulphate soils, plant growth, crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions

    描述:探討農業耕地的水澇問題;灌溉導致的土壤鹽堿化;地表灌溉;地下水的再利用;地下水水力學;雨水與水流失的關系;淺地表排水;土壤開墾及水澇,酸性,堿性土壤的改良;片段線形回歸和的統計析等。
  7. Plant species from the polygonaceae are widely distributed with most of them having large biomass, and it is, therefore, possible to screen accumulators and hyperaccumulators from the polygonaceae

    蓼科植物種類多,范圍廣,且多植物具有較高的生物量。因此,有可能從蓼科植物中篩選出植物和超植物。
  8. The probability of normal r. v. with absolute value less then and equal to one, two, and three unit standard deviations are calculated from error function, the cumulate probability distribution of normal density

    常態隨機變絕對值小於等於一個、兩個、三個標準差之機率別代入機率(誤差函)算出其對應之機率。
  9. The secondary phloem parenchyma cells and secondary phloem ray parenchyma cells were the preferential sites for protein storage to the xylem parenchyma cells whereas a large amount of vegetative storage proteins was present in xylem, especially in the primary xylem and the inner secondary xylem of the extended stems

    營養貯藏蛋白質優先在次生韌皮部的韌皮薄壁細胞和韌皮射線薄壁細胞中,在新梢伸長生長停止后,新梢基部莖的木質部中也了相當量的營養貯藏蛋白質,主要在初生木質部和內側次生木質部的各種生活的薄壁細胞中。
  10. Cumulative frequcncy distribution

  11. The 29 f globular clusters in the galaxy are selected as samples in my paper ( the space distribution and motional orbits of the samples have not been researched in detail before. ). according to the basic parameters : azimuth coordinates, distances from the sun, radial velocities and proper motions of sample clusters, the initial positions and velocities of the samples are reduced using the galactic coordinates, and their orbits are integrated by numerical method for three different galactic gravitational potential models

    本文選用銀河系中29個光譜型為f型的球狀星團作為樣本(這些樣本星團的空間和運動特徵都沒有被詳細地討論過) ,根據它們的基本資料:方位坐標、日心距、視向速度,絕對自行等參,歸算處理得出了各樣本星團的空間和運動速度。
  12. Improving operation decision is to reduce cost, improve profit rate and expand market share. in particular, the commerce intelligence system based on data warehouse, which efficiently analyzes & abstracts all kinds of operation datum distributed on enterprise network and separates data structure apt to structure analysis from analysis method

    特別是以據倉庫為基礎的商務智能系統,將在企業網路中各種類型的業務據進行有效的析、提煉,使面向構造析的據結構和析方法相離,可以有效地管理和利用企業多年來的各種歷史據和統計信息,供服裝企業高層管理者決策。
  13. Fourth, according to the weibull distributing functions of equivalent loads, calculated the max loads by expanded sample method, acquired eight routine loads spectrum of each roads taking advantages of the connover classification method, calculated the respective enhancement coefficient in principle of amended miner linear accumulated fatigue damage rule, by the comparative norm of general tar - paved road, educed the mathematical model of calculating enhancement coefficient of synthesized roads

    利用理統計的方法得到了各路面的等效載荷的weibull。第四,根據各路面的等效載荷的weibull採用擴展樣本法求得了各路面的極值載荷,按照connover的級法得到了各路面的八級程序載荷譜。以一般瀝青公路為比較基準,採用修正的miner線性損傷理論,根據前橋的s - n和p - s - n關系式得到了各路面的強化系,建立了綜合路面的強化系計算的學模型。
  14. More anthraquinone compounds was distributed in pith ray cells and the tissues of mature stem suchas bundle sheaths in large - scale vascular bundle, primary phloem and primary xylem than that in young stem. [ conclusion ] the distribution of anthraquinone compounds in the stem was of multilocus

    結果隨著莖的不斷成熟,在莖的表皮、近表皮的1 ~ 2層皮層細胞及較內部皮層中,不同程度地增加貯藏和了一定量的蒽醌類化合物,成為莖外部貯藏和蒽醌共化合物的主要結構部位成熱莖大型維管束的維管束鞘、初生韌皮部、初生木質部等組織和髓射線細胞了比幼莖多的蒽醌類化合物。
  15. The fatigue accumulation damage of the component has something to do with its model, different model causes different damage speed on the component which will show different magnetic memory characters. the paper build the mathematics model of wave shape of orders con - wave and accumulation damage distribution on several boundary conditions, combining theory deducing, simulation analysis and experiment validation, deducing the relation among fatigue accumulation damage degree, damage speed and magnetic memory characteristic parameters

    振動構件疲勞損傷與振型有關,不同振型引起的損傷速率不同,具有不同的磁記憶特徵。本文將理論推導、模擬析和實驗驗證相結合,建立多種邊界條件下的各階諧波波形與損傷學模型,推導疲勞損傷度、損傷速率與磁記憶特徵參量的關系,並利用模擬試驗系統驗證和完善,實現利用磁記憶方法對這類損傷構件進行早期診斷的目的。
  16. The minimum square method was used in regressing analysis for the result of treatment in a supposed distribution function, the " d " examination method was used for weibull distribution and index distribution, and obtained the distribution type in the life of the main shaft bearings, appraised the reliability life, the mean life and the reliability in 500hours of the main shaft bearings with theoretical distribution function

    用殘存比率法、平均故障法和故障法對主軸軸承可靠壽命進行了評估,用最小二乘法對現場據統計處理結果進行了假設的回歸析,並用d檢驗法對威布爾和指進行了檢驗,得出主軸軸承壽命類型。利用理論,對主軸軸承可靠壽命、平均壽命、 500小時的可靠度進行了評估。
  17. Influence of some parameters are analyzed, such as : d ( diffusion rates ), v ( coefficient of convection ). double or three compartments model of soc is used. it is found that the diffusion process for different compartments of organic carbon in soil is very differently. this model could also calculated the accumulation of soc in soil per year, which is helpful to understand the dynamic process of organic carbon storage in soil

    最後一章本論文對新老有機碳在土壤當中的遷移進行了值模擬,析了不同參對有機碳擴散的影響,得到了不同年齡的有機碳在土壤中的規律,這為進一步預估中國土壤中的有機碳動態變化打下了基礎。
  18. Topmodel is based on the calculation of ln ( / tan # ) index and its distribution. in terms of a dem, a is the cumulative upslope area draining through per contour length to a pixel, which reflects the tendency of water to accumulate at any point in the catchment, tan # is the local slope angle of the cell, which reflects the tendency for gravitational forces to move that water downslide

    Topmodel是以計算ln ( tan )指及其為基礎的。對于柵格dem ,為上坡區域通過單位等高線長匯集到單元網格內的面,反映徑流在流域中任一點的趨勢, tan為單元網格的坡度,反映重力使徑流順坡移動的趨勢。
  19. Based the basic principle of the accumulation of induced electric charges across the resistivity discontinuities and the induction current channeling inside the conductive bodies inspirited by the mt field, we set up the relation between the measured field on the earth surface and the distribution of the induced source underground by means of the defining the electric charge occurrence probability function and the electric dipole occurrence probability function and the spacial distributing of the " correlation probability ". the " image " of the field sources underground, or the distributing graphy of the induced electric charges and the induced current in the mesuring area can be drawed, from which we can get the outline of the geological anomaly on the meaning of the probability

    大地電磁場概率成像方法是一種新的地球物理成像反演方法,它是根據在大電磁波場的激勵下,地下介質電阻率間斷處產生感應電荷和導體內部產生感應電流,從而產生感應電磁場的原理,相應地定義了感應電荷發生概率函和感應電偶極子發生概率函,通過「相關概率」發生的大小的空間,建立了地表觀測場與地下場源空間的內在聯系。地下場源概率的「像」 ,即測區的感應電荷和感應電流的概率的布圖像,就是測區內地質體在概率意義下地質異常體的輪廓。
  20. New achievements having been obtained in this field show that co2 participating in karst process in the epikarst dynamic system mainly comes from soil air co2 created by the organic carbon, in other words, although karst is a kind of biochemistric action in nature, distribution and transmit and cycle of carbon rely on changes of soil organic carbon. soil organic carbon is the greatest carbon storeroom. soil respiration emission of co2 is the most important passing entrance in carbon cycle of epikarst ecosystem

    已有的研究表明:參與巖溶作用的co _ 2多屬于土壤中生物成因,也就是說,盡管巖溶作用是一種自然界無機化學作用,但碳的與轉移及循環仍以生物活動為紐帶的土壤碳為轉化中心,土壤有機碳構成系統最大的碳庫,土壤呼吸碳表現為該系統中最重要的碳流通途徑,因此進行土壤co _ 2濃度觀測及其影響因子析是研究表層帶巖溶生態系統運行機制和全球碳循環的首要條件。
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