群平均法 的英文怎麼說

中文拼音 [qúnpíngjūn]
群平均法 英文
grouaverage method
  • : Ⅰ名詞(聚在一起的人或物) crowd; group Ⅱ量詞(用於成群的人或物) group; herd; flock
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. A variety of methods including the tabular comparison of data, the tabular comparison of similarity coefficient, the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area

    森林植被樣地中以喬木層樹種的重要值為指標,採用紙條排隊落相似系數分類、最近鄰體、組對梅子湖森林植被樣地進行數量分類。
  2. 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

    接著本文採用了體決策中常用的一些方(如: ahp,加權幾何, borda - kendall方,最小方差,聚類分析, cook - seiford距離測度, c _ b測度,最大最小期望值,一致性非一致性指標等)對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,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體決策的一致性測度。
  3. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。
  4. Cluster analysis by upgma methods indicated that these five stocks might be divided into three clusters. results of rapd a nalysis suggested that extensive genetic diversity was detected in this species and the genetic divergence among stocks was relatively high ; upgma phylogenetic tree showed there existed three geographic populations of p. polyactis in the yellow sea and the east china sea, which supported the previous conclusion by morphological and ecological methods. part two : the genetic diversity between trichiurus lepturus and eupleurogrammus muticus random amplified polymorphic dna ( rapd ) technique was applied to 12 individuals from each species of the hairtail fishes trichiurus lepturus and eupleurogrammus muticus collected from the yellow sea

    50一2 . 44 ) ,體內和體間的遺傳變異比例分別為69 %和31 % ;體間的遺傳相似度和遺傳距離分別為0 . 9139和o . q861 ;用非加權配對算數( unweightedpair - groupmethodofari山m七tiome即s , upgma )聚類分析的結果表明,所分析的5個體可被分為3個地理系,從分子水上支持了過去有關學者把黃海和東海的小黃魚劃分為北中南3個地理系的觀點。
  5. This thesis elucidates and analyses the key techniques and rules of aolr in detail, and introduces its simulation modeling of the integrated system infrastructure and each function modules. through systematic simulation of aolr in the performance of packet delivery rate, average end - to - end delay, average route set - up delay, routing overhead, and etc, the key techniques and algorithms are testified and can provide reference for practical system design and application

    通過對基於蟻優化的負載衡路由協議系統的模擬,從數據分組成功遞交率、端到端時延、路由建立時延、路由開銷等性能的模擬數據和曲線上,分別驗證了該系統中的幾項關鍵技術和演算
  6. Base on the data collected from the field investigations, we analyzed the static life table, age structure, spatial distribution patterns of the populations of e. chloranthoides. we further studied the intraspecific competitions within the species and the interspecific competitions between the species and other concomitant species in the communities. with the helps of the logistic equation, leslie ' s matrix and the average moving law method we simulated and estimated the population dynamics of this endangered plant species

    本研究以縉雲衛矛為研究對象,通過對三個種的野外調查,研究和分析了縉雲衛矛的種年齡結構、種空間分佈格局及種內和種間的競爭關系,並利用logistic方程、 leslie矩陣及移動模擬和預測了三個種的數量和結構動態,在此基礎上分析了造成縉雲衛矛瀕危的原因,提出了相應的保護措施,旨在為縉雲衛矛的保護提供理論依據。
  7. We choose the forest appearance tidiness, representative stands serving as standard plots, 40 stands were set up at qinling, hanzhong, huanghong in shaanxi respectively, measure every tree in the stands, measure the actual increase by the dominance tree, the time series model of individual age and diameter of quercus variabilis was established according to the actual diameter of quercus variabilis population by the fluctuant time series, the comparison of simulation and reality value of the every stand of quercus variabilis population diameter increase through the four models, the average simulation difference within 1. 5 %, the accuracy is 97. 8 % the simulation effect is better

    在陜西的秦嶺、漢中、黃龍地區選擇林相整齊、有代表性的地段作為標準地,設置樣方40個,對各樣方內的林木進行每木檢尺,通過優勢木解析的方,測得栓皮櫟種胸徑的實際生長量,運用起伏型時間序列分析,建立了栓皮櫟種個體年齡與胸徑生長的時間序列模型,四個模型所得的各個樣地栓皮櫟胸徑生長的模擬值與實際值進行比較,其模擬誤差都在1 . 5 %以內,精度達到97 . 8 % ,模擬效果較好。
  8. Part ii of " on the beat " was launched in october to disseminate the twin messages " evil will not prevail over the good " and " justice has a long arm ". both part i and part ii of " on the beat " enjoyed favourable ratings

    《執英》在十月播出,重點宣揚邪不能勝正和網難逃的信息。 《執英》第一及第二輯深受市民歡迎,每一集的收看人數(四歲及以上)高達一百五十萬。
  9. The search space is divided into many small areas, and each area is given a certain pheromone value. according to the state transition rules, the artificial ants move to the next solution which is generated randomly or calculated by particle swarm optimization. local search strategy is also added into psaco so that the search speed and precision is enhanced

    該演算首先將連續對象定義域分成許多邊緣相互重疊的小區域,區域的稠密程度決定了演算解的精度,每個區域賦予一定的信息素值;螞蟻根據狀態轉移規則在隨機生成的可行解與利用微粒演算得出的可行解之間選擇下一步要去的位置;引入局部尋優策略,加強近似最優解鄰域內的局部搜索,提高搜索速度和精度。
  10. In the tranditional predicting methods, the remained life of certain pivotal parts on particular breakdown patten was regarded as the remained life of the whole machine. mathematical statistics was also used to obtain the mean remained life of machinery because of incomprehension on the mechanism of fault development

    以往的機械設備剩餘壽命預測方是預測設備關鍵部件在特定故障損壞模式下的剩餘壽命,以關鍵部件的剩餘壽命作為整機的剩餘壽命,在故障發展機理不是很清楚的情況下,代之以統計學的黑盒模型,估算設備體的壽命。
  11. Trifurcatum ought to be kicked out from this sect ; ( 3 ) a monophyletic group of x = 11 species was shown in the its tree ; ( 4 ) a. fasciculatum had a close relationship with x = 11 species ; ( 5 ) a. wallichii and a. macranthum had different evolution processes, their relationship was not so related ; ( 6 ) the sensible components of sect

    採用鄰接( neighborjoiningmethod ) 、非加權配對算術( upgma ) 、最大簡約( mostparsirnonymethod ) 、最小進化( mininmmevolutionmethod )和最大似然( maximumlikelihoodmethod ) ,通過定義和不定義外類,以及選擇不同數量的外類對所得的序列數據進行分析,重建了分子系統樹。
  12. Elevation, features of slope, vegetation, tree and shrub coverage, height, panda traces ( droppings, dens, individuals, gnawing bamboo stems ) in each plot were recorded to characterize the population size of the giant panda, their habitats and impacts of human disturbance on pandas at wanglang

    數量估計中,以每塊糞便中bsf的長度作為它的bsf長度,採用多重比較和相似系數方對bsf長度進行分析和比較,識別糞便是來自同一個體還是不同個體,從而估計保護區的大熊貓種數量。
  13. In this paper, adopting the several common use parameters and methods of systematic sort - average - clustering, author researched the insect community ( including spider ) in harmless control section, general and blank control sections during nov, 2001 to oct, 2002 in shenzhen city. the results indicate : the insect community in shenzhen city includes 18 orders ( insecta : 16 orders, spider : 2 orders ) and 369 species

    本論文採用落性質的幾個常用參數及系統類聚類,於2001年11月至2002年10月對深圳市荔枝無公害防治園、常規防治園及空白園昆蟲落(包括蛛形綱)進行了分析研究,結果表明:深圳市荔枝園昆蟲落共包括18個目(昆蟲綱16個目和蛛形綱2個目) ,共369種。
  14. In the dissertation, a " fast shamir algorithm represented by five - element joint sparse form " is presented. and it is demonstrated that comparing with other similar algorithms, the total numbers of the computation of our algorithm can be saved about 10 %, in the case of 192bit key. ( 5 ) in the implementation of elliptic curve cryptosystem, one of the key steps is to design and implement the base - point choice algorithm of elliptic curve finite group

    已經證明,用本文提出的「五元聯合稀疏形式表示的shamir演算」計算標量乘對,在192bit的密碼體制中,其計算量比同類演算減少了10兒( 5 )實現橢圓曲線密碼體制還有一個關鍵的步驟,就是橢圓曲線有限基點選取演算的設計與實現。
  15. In this paper, we study the performance of input - buffered atm switching with window - access scheme and output - grouping architecture. the close - form formulae of maximum switch throughput, mean cell delay and cell loss probability are obtained by probability generating function approach. the accuracy of theoretical analysis is verified by computer simulations and results show that the maximum switching throughput will reach 99 % under random uniform traffic when the window size and the group size are 4 and 16 respectively

    本文提出了具有組合的窗口接入和線輸出結構的輸入緩沖atm交換網路並對其性能進行了研究.通過概率生成函數方得到了計算該交換網路最大吞吐率,信元時延和信元丟失率的封閉表達式,並通過計算機模擬實驗驗證了理論分析的精確性.研究結果表明,在隨機勻業務下,當窗口尺寸和輸出尺寸分別為4和16時,最大吞吐率可達到99
  16. For multi - granularity application, both a lambda - group model used in traffic grooming and a new intelligent switching fabric based on the new model were presented. the optical switching fabric presented a distinctive approach of dividing granularities into specific tunnels for effective optical treatment. in addition, two key dynamic algorithm modules of configuration for granularity separation in the control layer were discussed. simulation results show that the method of particular channel partition can greatly improve the average channel quality and the blocking performance along every optical path for dynamic connection requests

    針對多粒度應用,開發了一種用於流量疏導的波模型,並引入一種基於此模型的新型智能交換結構.該光交換結構提供了獨特的區分粒度到相應隧道進行有效處理的方.此外,還討論了控制層粒度分離時採用的兩個關鍵的動態演算模塊.模擬結果顯示這種特殊的通道分離方有效提高了處理動態連接請求時每個光路徑的信號通道質量和阻塞性能
  17. Date integration technique was used to analyze the relationship between monthly mean daily clearness index kt and s, the ration of monthly mean daily sunshine duration to possible sunshine duration as well as that of monthly mean daily direct transmittance kb. based on data from 1957 to 2000, a series of kt and kb estimation models with different temporal and spatial scales were established. furthermore, the distributions of kt and kb from january to december in chongqing were mapped by kriging interpolation for long - term mean

    大氣輻射過程模擬通過晴空指數、直接透射率等綜合描述大氣對太陽輻射影響的參數,採用重慶市及其周邊地區1957 - 2000年日射站觀測的月輻射資料和常規月氣象觀測資料,利用數據集技術,建立了不同時空尺度的太陽輻射估算模式;使用kriging插值,完成了重慶市氣候狀況下各月晴空指數、直接透射率的空間制圖。
  18. Research and application of genetic expression programming algorithm based on uniform - design a new evolutionary algorithm named uniformdesign genetic expression programming ugep based on uniformdesign was proposed, which improved the way of generating initial population and also improved hybrid crossover operators. theoretic analysis proves.

    提出了一種基於勻設計的基因表達式編程演算ugep ,該演算對經典的gep演算做了以下改進:利用混合水勻表的構造對初始種的產生進行改進,保證了解分佈的勻性引入自適應多親雜交運算元,用勻優化代替隨機進化。
  19. When solving independent problems, the mathematical analysis shows that when a schema whose fitness is higher than the overall average fitness, the schema ' s exponential increase index of trials allocated in the next generations of coevolutionary genetic algorithm ( cga ) is higher than that of csga

    數學分析表明,對于獨立多問題,共同進化演算採用按比例選擇策略時,高於適應值的模式的逐代遞增指數高於傳統單種遺傳演算,說明共同進化演算的效率高於傳統的單種遺傳演算
  20. In this paper, an improved genetic algorithm ( ga ) was applied to the design of high performance e - plane waveguide filters at the first time. for dealing with the shortcoming of ga as low efficiency in local optimum searching, the idea based on parallel genetic algorithm ( pga ) known as separate local optimization was presented. by separating the whole population into sub - populations, and adding a new operator known as crossover between two sub - population, the new method can provide as 2 3 times quickly as traditional ga. all numerical examinations illustrated the high convergence speed and good global searching of the new algorithm, and proved the validity of it

    由於遺傳演算表現出良好的全局搜索性能,因此本文將其應用於高性能e面波導濾波器的設計中.針對傳統遺傳演算所存在的局部搜索能力差的缺點,本文在并行遺傳演算的基礎上,通過將原有體劃分為多個子體,利用多個子進行局部極值點的搜索,並利用間遷徙,使改進后的演算收斂速度提高了2 3倍.數值實驗表明演算具有較快的收斂速度和較好的全局搜索性能,證明了演算的有效性
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