geometric mean 中文意思是什麼

geometric mean 解釋
【數學】幾何平均數,等比中項[中數]。

  • geometric : n. 有幾何圖形的東西。adj. 1. 幾何學的,幾何圖形的。2. 按幾何級數增長的。adv. -rically
  • mean : vt 1 意,有…的意思,意思是…。2 意指,用…意思說;意味著,就是。3 (用語言、繪畫等)表示意思,表示...
  1. And then, some common methods of gdm, such as the ahp method, the weighted geometric mean method ( wgmm ), the borda - kendall method, the minimum variance ( mv ) method, the clustering analytic method, the cook - seiford distance measure, cb measure, the maximum and the minimum expected values, the concordance and discordance indices, etc., are used to discuss some consensus problems of gdm, including the consistency of the complex judgment matrix in ahp, the consensus methods of the aggregation of individual preferences ; the aggregation of analytic hierarchy process methods based on similarities in decision makers " preferences, a consensus measure on multiple criteria group decision making

    接著本文採用了群體決策中常用的一些方法(如: ahp法,加權幾何平均法, borda - kendall方法,最小方差法,聚類分析法, cook - seiford距離測度法, c _ b測度法,最大最小期望值法,一致性非一致性指標法等)對群體決策中的幾個一致性問題進行了研究,這些問題包括: ahp中復合判斷矩陣的一致性,個體偏好序集結的一致化方法,基於決策者偏好相似性的層次分析模型的集結中的一致性問題和多準則群體決策的一致性測度。
  2. Annual geometric mean e. coil levels over 20 years 2005 visitor numbers

    二零零五年遊人數目
  3. Weighted geometric mean inequality

    加權幾何平均不等式
  4. Arithmetic - geometric mean

    算術幾何平均
  5. Geometric mean of khatr

    乘積的幾何平均
  6. Geometric mean diameter

    幾何平均直徑
  7. Negative matrices over a c - algebra and geometric mean of two positive definite elements

    代數上的非負矩陣與正定元的幾何平均
  8. Count represents the geometric mean of the 5 most recent sampling occasions

    除另有闡釋外,大腸桿菌數量是最近五次採集的大腸桿菌幾何平均值。
  9. A consistency improving method based on possibility - satisfiability degree and weighted geometric mean

    一種基於可能滿意度與加權幾何平均的一致性改進方法
  10. Levels annual geometric mean over a twenty - year period, is an encouraging one. the drop in

    以上圖表顯示過去20年來大腸桿菌數量水平全年幾何平均值的降低趨勢。
  11. Some basic relations between arithmetic - geometric mean and geometric - harmonic mean and related inequalities were given. moreover, these two means were compared with some classes of well known compound means

    摘要給出算術幾何平均值與幾何調和平均值之間的一些基本關系式和有關的不等式,並且把它們與常見的幾類復合平均值做了比較。
  12. Construct a right triangle with given hypotenuse c such that the median drawn to the hypotenuse is the geometric mean of the two legs of the triangle

    這題大概是:構造一個直角三角形(斜邊c已給定) ,使斜邊上的中線長度是兩直角邊長度的比例中項。
  13. Soil particle - size distributions fractal dimension is correlative with other texture parameters. the dimension is clear line - relative with clay content and geometric mean diameter, but the line - relationship between the dimension and index of uniformity is low. the dp is sensitive to the variety of soil texture

    在理論上也進一步指明了粒徑分佈維數的物理意義,即:粒徑分佈分形維數d _ p的范圍為0 3 ,其大小反映了不同質地土壤顆粒的填充能力。
  14. Was the best bacterial indicator for assessing the incidence of diseases associated with swimming in the local population. they also established a significant linear relationship between the geometric mean of

    研究結果很明確,顯示大腸桿菌是評估香港市民因游泳而感染疾病病發率的最佳指標,此外研究亦確定大腸桿菌含量的幾何平均值與游泳引致的腸胃病和其它疾病的發病率有直接的關系。
  15. Abstract : the effective shear stress of sediment transport is analyzed theoretically and tested by experimental data. the result shows that the effective shear stress is neither the overall shear stress nor the sand grain shear stress, but the geometric mean of these two stresses. the effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power

    文摘:本文通過理論分析及實測資料檢驗表明,無論對於何種泥沙運動狀態,決定泥沙運動的有效切應力既不是沙粒切應力又不是全部切應力,而是介於兩者之間,近似為沙粒切應力與全部切應力的幾何平均值.這一有效切應力不但是對切應力類水流強度指標的總結,還可以概括平均流速和水流功率等水流強度指標
  16. In order to adapt the maintenance activities well, this paper makes some ameliorations, as follows : ( 1 ) it is considered not so pertinent in this paper to take road user cost into account of total cost, and an advice of using pavement serviceability performance for benefit is given. ( 2 ) when evaluating the average of the road network serviceability, this paper put forward to using weighed geometric mean to calculate pqi. ( 3 ) bringing in a new idea of checking the reasonability of classifying pavement state and typical measure by transfer probability

    為盡可能使其反映實際的養護規律,本文在前人研究的基礎上,提出以下改進: ( 1 )在建立費用模型時,認為在我國現階段,考慮用戶費用有不妥之處,提出以路面使用性能作為用戶費用的映象,以路面使用性能作為效益的評價指標; ( 2 )在評價路網平均服務水平時,提出用加權幾何平均值來計算路面使用性能綜合評價指標pqi ; ( 3 )提出了利用轉移概率檢查狀態的劃分和典型措施的合理性的新思想; ( 4 )在求解markov決策模型時,通常使用的方法是線性規劃法,本文闡述了另外兩種求解的方法:策略迭代法和整數規劃法。
  17. Data relating to faecal coliforms and e. coli in this report is presented in the form of annual geometric mean figures, while data on the other 46 water quality parameters is presented in the form of annual median figures

    本報告中除了關于糞大腸菌群及大腸桿菌的數據用年度幾何平均數呈列外,其餘46項參數的數據均以年度中位數呈列。
  18. All records are classified into three site conditions. for the two components of a record, two energy equivalent spectra are calculated, and the geometric mean of the two spectra are adopted to analysis by two - stage regression method using an attenuation model. then the attenuation law is attained

    對每一條記錄,取了兩個分量所計算的能量譜的幾何平均值,選擇了衰減模型,利用兩步回歸法,對這些能量等效速度譜做了統計擬合分析,得出了地震動四種能量反應譜隨震級、距離等參數的衰減規律。
  19. Then, a new grading model is put forward by the author, in which not only the own situations of grading factors but also the combinative situations of different grading factors are considered. in this article, the former is calculated as geometric mean, and the latter is obtained as their sum

    然後,本文對農用地定級技術路線做了必要的闡述,既展示了農用地定級模型在農用地定級工作中的地位,又闡述了農用地定級工作的全過程,從而強調了農用地定級工作的各個環節的緊密銜接的重要性。
  20. Firstly, the paper researches on the assessment of the expressway asphalt pavement performance, practice measure data of ten typical sections are selected from survey expressway, establishes weighed geometric mean to calculate pqi, which includes sri parameter that could enhance model precision

    首先,對高速公路瀝青路面使用性能進行評價,從課題所調研的高速公路中,選取10個典型斷面的實測數據,建立基於加權幾何平均值的瀝青路面綜合評價模型pqi ,並在模型參數中增加抗滑性能指標sri ,提高評價模型精度。
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