計數樣區法 的英文怎麼說

中文拼音 [shǔyàng]
計數樣區法 英文
count quadrat method
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
  • : 區名詞(姓氏) a surname
  • : 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...
  • 計數 : count; tally; counting計數卡 numbered card
  1. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時,由於poisson分佈的特性,我們知道不存在其參間長度小於0 . 5的置信間,基於這些情況,我們主要展開了以下兩個方面的研究:一是利用算分析與理論分析的方對現有的若干置信間如「精確」置信間, wald置信間, bayes置信間等進行分析比較,發現了一些缺陷,針對這些缺陷,我們進行適當的修正,並得到幾種性質較好的置信間如:修正大間jeffreys原則下置信間二是針對已給定的置信系間長度,我們提出了一種漸近的兩階段間估程序,並利用算的方,在各種置信系間長度限定下,算出了最優的第一階段觀測次(抽量) ,大量據表明,本文考慮的方性態良好,具有應用價值。
  2. In six selected areas of the subtropical semi - humid evergreen broad - leaf forest ecosystem of yunnan diaolin mountain, during drought season from november, 1992 to april, 1993, authors studied and analysed, throught adopting the taxonomic, ecological and mathematical statistics method, the distribution, composition and domi - nant fungi of the small fungi as well as biodiversity. altogether 706 strains statistics unit, belonging to 28 genera, dominant fungi 678 strains statistics unit, 20 dominant fungi gen - era

    在雲南雕林山亞熱帶半濕潤常綠闊葉林森林生態系統的六個具有代表性的中,於1992年11月至1993年4月旱季期間,運用系統分類、生態分析和理統的方,對小型真菌種群的分佈、組成、優勢菌及其生物多性進行了分析,共分離獲得小型真菌菌株統單位706株,分屬於28個屬,其中,優勢菌678株,分屬於20個屬。
  3. On the basis of analyzing and chemically examining a large numble of samples, through comprehensively studying the reservoiring geological conditions as hydrocarbon generation, petrophysical property, reservoir - caprock assemblage and lithologic trap type, by use of mathematical statistics, it was considered that yulin gas field is located in the greatest hydrocarbon - generating intensity area in the basin and its hydrocarbon source rocks are the permo - carboniferous coal measure strata, thus possessing the material conditions of forming large - sized gas fields

    通過大量的化驗分析據,採用理統的方對生烴條件、儲層物性、儲蓋組合配置、巖性圈閉類型等成藏地質條件進行了較為深入的研究,認為榆林氣田處于鄂爾多斯盆地最大生烴強度,其烴源巖為石炭二疊系煤系地層,具備形成大型氣田的物質條件。
  4. Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas

    與基本bp演算相比,本文提出的魯棒自適應bp演算具有以下優點: ( 1 )與魯棒統技術相結合,通過訓練本相對偏差的大小,確定不同訓練本對能量函的貢獻,來抑制含高噪聲干擾本對網路訓練的不良影響,從而增強訓練的魯棒性,提高網路訓練的收斂速度; ( 2 )採用相對偏差和絕對偏差兩種偏差形式對權值進行調整,提高了網路的訓練精度; ( 3 )在採用梯度下降演算對權值進行調整的基礎上,通過將學習速率設為訓練誤差及誤差梯度的特殊函,使學習速率依賴于網路訓練時誤差瞬時的變化而自適應的改變,從而可以克服基本bp演算容易陷入局部極小域的弊端,使訓練過程能夠很快的「跳出」局部極小域而達到全局最優。
  5. This paper, on the basis of yuelu - mountain high - tech park in changsha city, beginning with the investigation of diversiform transit - trip in the park, firstly analyzes and evaluates space - time change law of traffic flow and situation of traffic service level on actual road net - work in the park ; secondly, applying multi - statistical analysis method, taking investigated corporation as sample, using annual freight traffic volume produced by unit plant area of the corporation, with clustering analysis, obtains four sorts of the sample corporation, and establishes the predict models of freight traffic volume for every kind of corporation. with these models, actual or planning year ’ s day maximum freight traffic volume can be predicted. the third, this paper makes analysis research of trip law of employees in the park, and obtains the index of trip times, trip modes and trip development trend of the employees

    本文以長沙市嶽麓山高科技園為依託,從調查園內的各類交通出行開始,首先分析評價了園內現狀道路網上的交通流時空變化規律及道路網上的交通服務水平狀況;其次是應用多元統分析方,以調查企業為品,以企業單位車間面積所產生的年貨運交通量為變量,通過聚類分析,獲得了本企業的四個類別,並建立了各類企業貨運交通量的預測模型,應用這些模型,可預測園內現狀或規劃年的日最大貨運交通量;第三是對園內企業員工的出行規律做了分析研究,獲得了企業員工的出行次、出行方式及出行發展趨勢等等特性指標;最後是對園內小居民的出行狀況進行了分析,獲得了居民出行的諸如高峰時段、高峰出行量等等的特徵據。
  6. Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed

    本研究在廣泛總結前人研究成果與研究經驗的基礎上,利用空間據挖掘和地形地貌學的基本理論,以陜北黃土高原多地貌類型為實驗,以1 10000比例尺dem為據,探討了dem中地形地貌據挖掘與知識發現的理論方和體系結構;確定了宏觀和微觀地形因子、地形綜合特徵知識的體系結構;系統總結了dem基本地形因子的提取演算,並重點對坡長、曲率、地形的起伏度、切割深度和溝壑密度因子提取的原理與演算作了深入的分析;提出了黃土高原地域特徵知識的基本構成及其系統完整、科學可行的挖掘提取演算;擴充了arcviewgis軟體平臺中dem空間分析的基本功能;實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設與開發;完成了對黃土高原多地貌類型)地形信息空間分異特徵的分析。
  7. The specific research methods include : the reliability and validity of the scale ( cronbach ’ s of the scale, split - half reliability, the reliability of each dimension, discriminant validity, convergent validity ) ; the factor analysis method to get the dimensions of internal service quality ; the independent - samples t - test and paired - samples t - test method to analyze every discrimination of internal service quality ; the comparison of means to evaluate the sequence of every dimension

    具體的研究方包括:對量表進行信度和效度分析,包括整個表的cronbach系、分半信度、各維度的信度、別效度和收斂效度的分析;使用因子分析的方測量內部服務質量包含的維度;採用兩獨立本的t檢驗和兩配對本的t檢驗的統對內部服務質量各差距進行分析;通過對本均值的比較,分別得出各維度在員工和管理者心目中的重要性排序。
  8. In the recognition of the crime which is established or not, the author probe emphatically the position and effect of " cause huge damage " in this crime. through analyzing " the doctrine of the sign of consunmation " and " the doctrine of the sign of institution, " the author bring forth two legislation design patterns of this crime : the first one is to adhere to the viewpoint that " cause huge damage " is the constitive requisites of this crime, that only intention and " cause huge damage " together can constitute this crime. the second one is to adhere to the viewpoint that both negligence and indirect intention can constitute this crime only under the circumstance of " cause huge damage ", but direct intention act, which has not caused huge damage, can also constitute the preparation for this crime, crime attempt and discontinuation for this crime ; analyse and compare the related charges of crime

    在罪與非罪的認定中,重點探討了「造成重大損失」在本罪中的地位和作用,對領犯和結果犯的含義進行了探討,對「既遂標志說」和「成立標志說」進行了對比分析,提出了本罪的立方式:過失和間接故意只有造成重大損失的才構成本罪,而直接故意實施侵犯商業秘密的行為是非典型的行為犯,雖未造成重大損失,但其他方面的情節、後果等惡劣的可以構成本罪的預備、未遂、中止形態,只有這才能符合該罪的立意圖:全面、有力地打擊侵犯商業秘密行為,而且做到不同性質別對待
  9. Through the theory of light radiation and intensity, we can use the fewest leds to satisfy the luminous intensity demand. through image segmentation theory, we can accurately pick module up from the test stripe when it is put in wrong directions. through image processing theory, we can acquire correct information and avoid the bad effects from the asymmetric chemistry reaction and instability of the devices

    用光的輻射和強度理論,我們算出了獲得足夠圖像強度所需的最少光源;用圖像分割理論,我們在試紙條傾斜放置或有垂直方向上的偏移時,準確地提取出了各模塊的據;用平滑濾波和均值濾波理論,我們濾除了由於反應不均勻及硬體設備不穩定帶來的噪聲;用交遇線性分類器的方,我們降低了有限本設線性分類器帶來的誤差,提高了檢驗準確度。
  10. In jinyun, beibei, chongqing. with the helps of various statistical analyses we studied the composition, species diversity and liaison between species in the communities in which s. tsinyunensis distributed, as well as the niche, distribution pattern, modular structure of the populations. the result shows as folio wings : there are 78 species of 70 genera in 47 families of higher plants in the communities in which s. tsinyunensis distributed

    本文運用植物群落學、種群生態學及多種量統分析方,對縉雲黃芩全分佈的群落組成、物種多性、物種間聯結性、種群生態位、種群分佈格局及構件種群進行了研究,結果如下: 1 )縉雲黃芩種群分佈的群落中有高等植物78種,分屬47科70屬。
  11. In view of the fact that the genetic algorithm of stochastic programming based on random simulated technology has succeed greatly, this paper points out that changing parameters of genetic algorithm can obtain a sequence of optimum values of goal function. taking these genetic algorithm values as sampling data, we can get fitting optimum function by using multivariate spline regression and get the lipschitzs constant of the fitting optimum function. so for any chance constrained programming problem, we can get its interval estimate

    鑒于基於隨機模擬技術的遺傳演算在求解隨機規劃問題上的優越性,本文指出,改變遺傳演算的參條件,在此基礎上求得機會約束規劃的若干個最優值,以這些最優值為本點,利用多元條回歸,擬合得到最優值函,進而求出最優值函的lipschitzs常,從而對于任一機會約束規劃問題,都可以得到它的一個間估
  12. Following are the key topics of the this article : a ) a traffic flow research on a typical jammed road of beijing. based on the research, the conclusion drew out a traffic flow map and the vehicle types description on every traffic flow direction of current traffic state ( normal distribution and poisson distribution ), which generates the traffic model. b ) the frame structure of urtss model

    對北京市某典型擁堵路段交通流進行調查,對調查結果的不同方面進行研究分析,對調查據採用理統進行分析,確認北京這的大城市部分擁堵路段的交通流分佈情況(正態分佈) ;同時還對各流向的車型構成比例進行了描述,為所開發的城市道路交通模擬系統提供了基於城市道路實際交通流的交通生成模型。
  13. Third, mensurated the front axle ' s load - time history when truck was running on general tar - paved roads, mountainous roads and the proving ground enhancement roads, second sampled and pretreated to the load - time history with rpc software of mts corporation, acquired the relationship of the frequence of the mean and amplitude load, obtained the zero mean equivalent loads using goodman experiential fatigue equation, acquired the weibull distributing functions of equivalent loads of respective roads

    第三,測定了汽車前橋在一般瀝青公路、山公路和試驗場強化試驗路面的載荷時間歷程。對載荷時間歷程進行了二次采據預處理。採用雨流得到了各路面的載荷均、幅值的頻次關系,並根據goodman經驗疲勞公式,得到了零均值的等效載荷及相應的頻次。
  14. 20 surface soil samples in pinus bungeana of xiaolongshan tianshui were collected for isolation and genus identification of fungi by dilution - plate method

    摘要在地調查的基礎上,在小隴山白皮松分佈採集表土土20個,採用稀釋平板對真菌進行了分離,並進一步鑒定到屬。
  15. Aiming at the problem that there is difficult in estimating the non - effective coefficient of cultivated land in the especial area, and there is not scientific in enacting cultivated land consolidation criterion, the paper put forward the reference area method which is used to estimate the cultivated land consolidation potential. aiming at the problem that there is simple in estimating villages residential land readjustment potential, the paper put forward the mode method which is used to estimate villages residential land readjustment potential

    針對當前耕地整理潛力測算中存在特定域溝路渠田坎系(無效耕地系)難以算和溝路渠田坎系標準設定不科學的問題,本文提出了用於測算特定域耕地整理潛力;針對現有農村居民點整理潛力測算方過于簡單的問題,提出模式用於測算農村居民點整理潛力。
  16. The study area is located in wangdonggou, a small watershed in changwu county, shaanxi province. with the principles of combination of qualitative and quantitative analysis, macroscopic and microscopic analysis, the assessment indexes of soil erosion are selected through a series processes such as field investigation, soil sampling, physical and chemical properties analysis of soil, analysis of relations between the influencing indexes and soil erosion, statistics method, and so on. every index is divided into five grades according to the specific criterion, and its weight is drawn by ahp method

    本文以陜西省長武縣王東溝小流域為研究,在堅持定性分析與定量分析相結合、宏觀與微觀相結合的原則下,通過實地野外調查和採集品,土壤品的理化分析,土壤侵蝕影響因素的分析,利用理統分析方,篩選出了王東溝流域土壤侵蝕定量評價指標;並對這些指標進行土壤侵蝕評價等級的劃分及權重的確定,從而建立了評價指標體系。
  17. In chapter 1, the author first study the two - stage confidece intervals for the variance of a normal distribution, then work out the optimal sample size of the first stage by numerical computations and establish a proof for the non - existence of fixed - size sampling

    在第1章里,作者首先研究了正態總體方差的兩步置信間,並用算的方給出了第一步的最優抽量,且證明了固定本抽的不存在性。
  18. As a part of the civil 863 plans, two multiple - contact models for two kinds of braking system are built in the paper, in which contact fields are described as coons surfaces, initial velocity is programmed in fortran. the thermal - mechanical coupling braking processes are simulated for the first time by msc. marc, the general - used nonlinear fem software. time distributions of the velocity, the stress and the temperature of the components under various initial velocity and brake force are obtained, which offer theoretic gist to study the life of the wheel, the disc and so on

    作為國家行業863重大課題《鐵路機車車輛虛擬機系統》的一部分,本文在研究接觸問題和熱?機耦合問題值方的基礎上,採用國際上通用的非線性有限元分析軟體msc . marc建立了踏面制動和盤形制動主要部件的多體接觸算模型,其中用解析方描述,即用nurb曲線、高斯曲面來描述接觸域,用fortran語言編寫定義初速度的用戶子程序,首次對兩種制動過程熱?機耦合進行了值模擬,定量給出了主要制動部件在不同初速度、不同制動力下各個時刻的速度、應力和溫度的變化規律,為研究車輪、閘瓦以及制動盤壽命提供了理論依據。
  19. Based on plant communities and plots investigation in jinfo mt. and experimental site in guilin, the author calculated the indices of every plot with its species richness index, simpson index, shannon - wiener index, pielou evenness index and alatalo evenness index. the author analyzed the character and variation of the biodiversity in different area and different layers about the plots in jinfo mt

    1採用典型,在金佛山和桂林實驗場選取典型地並做野外調查,分別算各地的物種豐富度指、 simpson指、 shannon - wiener指、均勻度指、 pielou均勻度指、 alatalo均勻度指,對金佛山不同地地生物多性以及不同地不同層次生物多性特徵和變化進行分析。
  20. For the cloudy region, the pixel values were substituted by the image data of same period and close time after being calculated. the calculation was based on the correlation of clear sky image with cloudy. at last, clear - sky day - time - averaged lst image of guangxi were made

    再對該原圖進行雲剔除,並選擇與原圖時相最接近的實況本,用統回歸方進行相幅間的值補償,由此剔除原圖中的雲,最終製作生成廣西全境白天千米空間尺度的lst平均圖。
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