點內方差 的英文怎麼說

中文拼音 [diǎnnèifāngchā]
點內方差 英文
within-site variance
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 名詞1. (內部; 里頭; 里邊) inner; inside; within 2. (妻子或妻子的親屬) one's wife or her relatives 3. (姓氏) a surname
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 方差 : dispersion
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室試驗測量分析相結合的法,以不同土地利用式巖溶土壤肥力為重,對不同土地利用式土壤肥力特徵進行量化分析,找出巖溶土壤肥力異的主要面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Static mathematic model of drum accommodation and control is presented, and instruction model control strategy of sample intervals is presented based on differences between characteristic equations of lifting frame and characteristic equations of top and bottom board change among the sampling spots, the rules of this method are few, simple, easy to operate and meet controlling demands

    給出了滾筒調控靜態數學模型,並根據調高機構的調控特徵程與采樣間頂底板變化特徵程的異,給出了在其采樣區間的指令式控制策略,其法的規則條日少、簡單易運算、符合實際控制要求。
  3. It makes sampling data regularized by means of man - machine interactive mode and procedure method, respectively. the driven data of the cutter guide is generated, which is based on sampling data processed. it proposes an intelligent data reduction algorithm which bases on the combination of straightness of curves, equidistance and distance deviation principle

    首先採集並分析了輪廓數據,分別運用程序處理式和人機交互式實現采樣數據的規則化處理;根據處理后的測數據生成磨頭驅動數據;並提出了一種基於曲線曲率、等距及距離偏帶的自適應數據壓縮法。
  4. This article introduces briefly the process of design and characteristic of structure of db930 tube and discusses the main problems of technology and technique which was met during the manufacture and the measures having been adopted are emphatically. it discusses the solve measures in following six aspects : the filament current is too large, carbon deposits during the carbonizing of cathode, the capacitance between the first grid and the second grid is too large, transpiring happens inside the tube, the insulation resistance between the electrodes is too lower when the filament is on and the ability of bearing high voltage is too lower

    本文簡略地介紹了db930的設計過程及其結構特,重論述了在試制過程中遇到的主要工藝技術問題及解決問題的措施,圍繞解決燈絲電流大、陰極碳化時積碳、一柵和二柵之間的電容大、管蒸散、熱態時極間絕緣低、耐高壓的能力等六個面的問題進行了論述。
  5. Aspect the evaluation in the now available expressway construction project management is chiefly concentrated at economy with the technology, and to manages the twist hempen thread imitates that the research which appraised chiefly includes in effect which inspected and control evaluation and the construction course the evaluation of some one quotas, the unified evaluation system of not formation ; the twist hempen thread effect assessment method is managed to the now available project item, and stopping certain tier face in the item construction mostly, assessment method adaptability is wrong, and lacks the synthetical evaluation to the scattered assessment method of selection submitted a tender such as beckoning and so on

    現有高速公路建設項目管理中的評價主要集中在經濟和技術面,而對管理績效評價的研究主要包括監理的效果評價和施工過程中的一些單指標的評價,沒有形成統一的評價體系;現有的工程項目管理績效評價法,諸如招投標的選擇之類的零散評價法,大多停留在項目施工的某一層面,評價法適應性,缺少綜合評價。本文通過對現有高速公路建設項目管理評價體系存在問題的分析,結合高速公路建設項目管理的特,構建了高速公路建設項目管理績效評價容、指標體系,運用模糊評價法、專家評價法、熵評價法等對高速公路建設工程項目管理績效做出了綜合評價。
  6. Most laser ultrasonic nondestructive testing systems are based on the heterodyne principle, but the laser ultrasonic nondestructive testing system which is based on the homodyne principle

    而且目前所研製的激光超聲無損檢測系統基本上採用外干涉的式,而零干涉式國尚未見到有相關報道,這屬于論文的主要創新
  7. So when emphasizing the in draught of the western advanced legal culture, the value of chinese classical law can not be neglected also. it is the same with the discussion of testament inheritance. from the historical data we have mastered that the testament inheritance of chinese ancient times germinated in the pre - qin days, formed in qin han, being more completed in the three kingdoms - wei and two jins, flourishing in sui tang, aging in song yuan ming and qing

    本文從中國古代遺囑的發展歷史展開卷帙,對立遺囑人與被遺囑人的遺囑能力、遺囑的三種表現形式、遺囑的具體容、遺囑的訂立程序及其公私二力相結合的履行式分別展開論述,在分析中國古代遺囑繼承起源、容、運行機制的基礎上,以中國古人傳統的以家族為本位的生活理念和對人對事的情理觀為著眼,對中國古代遺囑繼承與現代民法中的遺囑繼承加以比較,總結出中國古代遺囑繼承的四大特,以為中國古代遺囑繼承的實質與傳統固有的法定繼承並無別,都是一種被繼承人的身份繼承與人格延續,是家族整體性觀念的體現。
  8. The thesis includes three parts : firstly, previous study and latest advance of molecular motor in biology are outlined, including myosin ' s and kinesin ' s construction and function, the latest advance of molecular motor in constructional biology ; secondly, the latest advance of molecular motor in physics is reviewed, including the general view of brownian motor and two examples of molecular motor, one being related to two kinds of flashing potention energy, the other being related to electronical bipole ; and finally, the model on unidirectional motion of molecular motor is in detail come up with, and especially, the interact ion between two heads is taken into account, followed by the construction of langevin equation and fokker - planck equation involved in the model. by using solutions of fokker - planck equation, unidirectional motion mechanism of molecular motor is analyzed

    本文容包括:首先綜述生物學領域分子馬達研究的最新進展,容安排為:肌球蛋白的結構和功能,驅動蛋白的結構和功能,肌球蛋白和驅動蛋白定向運動機制的結構生物學面的最新進展;其次綜述並分析了當前研究分子馬達定向運動機制的幾種物理模型,容安排為:分子馬達運動的基本觀和建構模型的一般法,勢壘的兩態漲落誘導的分子馬達運動模型,分子馬達定向運動的偶極子模型;最後討論雙頭相互作用的分子馬達模型,容安排為:先詳細論述模型的構建,再建立langevin程和fokker - planck程,接著用分的法求解出fokker - planck程的解,然後分析和研究分子馬達定向運動的機制。
  9. Their differences are based on many aspects which include characteristics of morphology, anatomy and epidermis of leaf, types of tapetum in anther walls, patterns of endothecial thickenings, and ways of development of endosperms, presence or absence of perisperm, components of photochemistry, and sequences of rbcl

    菖蒲屬與天南星科其它屬在葉的形態、結構、表面特徵,花藥絨氈層類型,藥室壁增厚的特,胚乳的發育式,外胚乳的有無,植物化學成分, rbcl基因序列等多面存在著顯著的異。
  10. Rolling - cutting biscuit shaping machine is new equipment of making soda biscuit, good toughness of thin biscuit and super - thin biscuit. it ' s high production efficiency, low noises, safe operation, convenient, beautiful outer shape. this machine can press and roll rough flour 3 times and equiped with remaining flour recycling machine, also equiped with double - rolling cutting shaped equipement, in the mean time, it can produce two biscuit embryo of differnt shape. 3 times pressing - rolling machine can adjust different thickness and biscuit rough surface. it can roll rough flour and do not stick to rough flour embryo, correctness rate of adopting mould to cut margin of flour embryo reaches 100 percent so that avoid deforming of embryo due to deviation. this machine is one equipment which adopting advanced and won first technical rewarding for its independently control operation, beautiful outer appearance

    滾切式餅干成型機是連續製作梳打餅、韌性和薄餅超薄餅的新型設備,具有生產效率高、噪音低,操作安全、便,外型美觀等優,本機具有三道軋輥制皮和余料回收機,配備雙滾切成型裝置,同時能生產兩種不同形狀的餅干胚不停機,三道軋輥能同時調節不同厚度和餅皮具有軋輥不粘皮、採用印模切邊一次同步進行準確率100 % ,避免偏而造成餅胚變形,該機具有獨立控制操作,外形美觀,是目前國較先進而獲得技術一等獎的設備。
  11. 2. having made suggestions of reflecting differences in objectives, contents, implementation and evaluation etc. of the course in key high schools abroad. thus, teachers can choose different course to teach according to their own advantage, while the students can choose different courses to learn according to their own needs

    通過對國外高中數學課程的考察,提出重高中在數學課程目標、數學課程容、數學課程實施和數學課程評價各面體現異化,並根據時代的不同而呈現異化,教師可根據自身的特選擇異化的課程,學生也可根據自己的需要選擇異化的課程。
  12. The propagation law also exposures that less selection of endmember would lead to blunder model error, but over selection of endmember is still unbiased estimation of abundances

    數值模擬結果表明混合像元分解精度與端元類變化的存在負相關的特
  13. The author insists that the proposition on bmp contains numberous precondictions, the reference values of the qulitative papers are limited as they cannot answere exactly what on earth the bmp is. so this dissertation systematically studied the bmp of china according to the clue of monetary supply which is the immediate target of monetary policy. of course, the stress is to attempt to apply the newest econometric approaches, such as impulse response function and cointegration test, to develop the topic on bmp to a new regime and draw some valuable conclusions

    因此,本文在國外學者已有的研究基礎上,以我國貨幣政策的中介目標? ?貨幣供應量為線索,就有關我國貨幣政策的宏觀調控效果進行了系統的理論與實證研究,重是應用國外時間序列經濟計量學的最新研究成果,如脈沖響應函數、預測分解模型等進行探索性地定量分析,並得出有價值的實證結論。
  14. ( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation

    其中對幾個關鍵部分進行了詳細分析:計算了目標角反射器的激光雷達散射截面( lrcs )值,研究了qd與ccd對目標位置角度的計算法和空間解析度; ( 2 )根據系統指標和要求並結合現有國技術特研究了apt捕獲系統掃描的捕獲概率問題,然後分析了幾種常見的掃描式:矩形( raster )掃描、螺旋( spiral )掃描,矩形螺旋( rasterspiral )掃描,玫瑰形( rose )掃描以及李薩如形( lissajo )掃描; ( 3 )對分行掃描和螺旋掃描進行了詳細的模擬分析,分析了它們在不同捕獲分辨角、捕獲范圍、振動角振幅和終端位置分佈均時的捕獲概率、捕獲時間與系統常數之間的關系。
  15. Secondly, this paper mainly put forward different grey level threshold value segmentations of plane target after brief analyse the smooth and sharp image of image strengthen technology, segmentation for the overall situation, adopt the maximum variance method, the maximum entropy combine with adaptive threshold selection method, the maximum variance ration between two classes and in two classes ; segmentation for the part situation, has adopted the adaptive threshold value method ; to background more complicated segmentation, have adopted the two - dimentional maximum entropy method

    其次,在簡要的分析了圖像平滑和銳化的圖像增強技術后,重研究了飛機目標的灰度分割,提出不同的灰度閾值分割法進行圖像分割,對于全局分割,採用了最大類間分割法、最大熵與一致性準則相結合法、最大類間類比法;對于局部分割,採用了自適應閾值法;對于背景較復雜的分割,採用了二維最大熵法。
  16. The theories foundation of activity - based costing, is to think that the production line should describe for : the production causes activity take place, the product consumes to used to the industry, the function consumes with the resources, thus causing cost take place. this with traditional manufacturing costing the product consume with the cost of principle is different. thus, the activity - based costing checked to track the process of the product formation and the cost backlog with the activity - based costing, carry on make track for to the cost formation to trace to origins originally, set out from here, activity - base method makes research of cost gone deep into more, the cost information is more detailed and turn and even have and can control it

    本論文研究的目的是探討作業成本法在一汽鑄造一廠應用的可能性,運用作業成本法的研究法對一汽鑄造一廠的產品成本進行分析,對比傳統成本法和作業成本法下的成本,對兩種成本的異進行分析,產生異的原因。通過建立作業成本庫、選擇成本動因,將成本分配到相應的作業成本庫,分別將傳統成本法和作業成本法下的成本計算到每種鑄件,再進行成本對比,重分析異較大的產品的成本構成,在此基礎上,對企業生產作業流程的重新評價,對產品的成本構成有更全面的了解,對企業管理層提出了解決成本信息失真,改變產品定價策略,降低生產成本和改善企業部管理的建議。
  17. Expanding capital operation, as an important part in development strategy, is closely related with the long - term development of listed companies, therefore, listed companies should hold strategical view in planning and making - decision in conducting expanding capital operation. based on sustainable development principle, the dissertation analyses the essence of expanding capital operation and its basic models according to the theories of capital operation ; combined with existing situation of china ' s listed companies, analyses internal causes and external factors which lead expanding capital operation falling into dire straits, and advances that using strategy is a breakthrough point to solve the problem. then, with the logical line of strategical management " analysis of strategical environment - settlement of strategical targets - drawing - up and choosing strategical model - implementing and controlling strategy - assessing strategy ", brings strategy into expanding capital operation process, analyses factors effecting expanding capital operation, and constructs decision - making model for choosing strategical styles ; in the implementation stage, focus on fixing exchange price and the whole integration management ; at final, using conglomerate m & a strategy as an example, utilizing entropic measure method, regression - analysis, variance - analysis and spss digital - statistic software, constructs a model to illustrate the relationship between diversified m & a strategy and economic performance of listed companies, puts forward the suitable expanding capital operation style for china ' s listed companies, and gives some suggestions

    本文以公司持續發展為原則,根據資本運營理論,分析外擴型資本運營的涵及其三種基本模式;並與我國上市公司的實際情況相結合,分析目前上市公司外擴型資本運營陷入困境的在原因和宏觀因素,提出以戰略為支撐是我國上市公司外擴型資本運營走出困境的突破;然後以"戰略環境分析-戰略目標定位-戰略制定及模式選擇-戰略實施與控制-戰略評價"的戰略管理邏輯主線,將戰略引入上市公司外擴型資本運營的各個階段,分析了影響上市公司進行外擴型資本運營的外部因素、確立戰略性經營目標,構建我國上市公司外擴型資本運營戰略模式的決策模型;在戰略實施階段,重研究交易價格的確定和全面整合管理;最後,以目前我國上市公司外擴型資本運營中常見的混合併購模式為例,運用熵測量法、回歸分析、分析等計量法及spss大型數據統計軟體,構建模型,研究上市公司混合併購戰略與經濟績效的關系,在分析結果的基礎提出適合我國上市公司發展的外擴型資本運營模式及相關的建議。
  18. This thesis is focused on the following flve topics. first, comparative analysis of binary encoding and float encoding is made, the advantage and disadvantages of two encoding modes and their influence on genetic operators are clarified, thus the basis for reasonable description of the problems is provided. secondly, as genetic operators have an important influence on performance of algorithms, this thesis demonstrates that the simulated binary crossover can keep the mean of population unchanged, and under some conditions

    作者在論文期間的工作主要集中在以下幾個面:對遺傳演算法中的二進制編碼和浮數編碼進行對比分析,闡明兩種編碼法的優缺和對遺傳操作運算元的影響,為合理地描述待解決的問題提供一定的依據;遺傳操作運算元對演算法的性能有重大的影響,文中對模擬二進制交叉運算元對群體的分佈影響進行了分析論證,得出模擬二進制交叉能保持群體的均值,並在滿足一定條件下使群體變大的結論;如何保持群體的多樣性,一直是進化演算法研究的主要容。
  19. And then the ill effects are discussed in the view of computation and statistics, respectively. a new diagnostics technique so - called stability analysis method is proposed. the characteristics analysis, the condition number and the condition indexes & variance decomposition proportions methods are discussed, respectively

    提出了一種新的診斷技術? ?穩定性分析法,這是本文研究的一個重容;就基於特徵系統的特徵分析法、條件數法和條件指標與分解比法等診斷理論進行了較為詳細地研究和探討;對標準化及重新參數化與線性變換對病態性問題的影響進行了初步研究。
  20. This paper finds out the mean value and variance of load sequence in a period of time based on statistics and then works out the bias ratio of every point in load sequence using corresponding calculation formula and at the same time compares it with threshold value so that " unhealthy data " can be removed and accurate and effective load forecasting can be ensured

    本文利用統計學的法,求出某段時間負荷序列中的均值與,再利用偏離率的計算公式計算出負荷序列中每一的偏離率,並與閾值相比較,從而除去「不良數據」 ,為準確有效地進行負荷預測提供了保證。
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