方差同質性 的英文怎麼說

中文拼音 [fāngchātóngzhíxìng]
方差同質性 英文
homogeneity of variance
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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（國家重點退耕還林示範縣，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方式，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內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，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個方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. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  3. This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably

    而攀援植物本身是一類理想的植物行為生態學研究材料：第一，攀緣植物由於受攀緣能力和支柱木資源的限制，在生長過程中通常要遇到強烈變化的環境條件（特別是光照） ；第二，攀緣植物中具有較高比例的雌雄異株類型，通常佔地區攀緣植物種類的30 40左右，不同性別的植物在形態學及生物學特性、經濟價值等方面存在一定的差距，因此，本文以雌雄異株攀緣植物栝樓（ trchosahtheskirilowiimaxim ） （葫蘆科多年生草質藤本植物）和山藥（ dioscoreaoppositathunb ） （薯蕷科薯蕷屬植物） 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical （ l ） roem ] （葫蘆科一年生攀緣草本植物）為材料，試圖從生理生態學及生殖生態學角度揭示攀援植物如何適應不同生境及其機理。
  4. The total significant differences among groups were compared by two way anova, factoring treatment group and incubation medium level. post hoc testing were used to evaluate the significance of subgroup differences by lsd and snk methods, significant correlation between every two transmitters was analyzed by pearson correlation

    用隨機區組設計的方差分析進行總體均數的差異顯著性比較，組間比較用hd法和snk法；不同神經遞質之間的相關性分析用pearson相關分析法；不同孵育條件下同種處理組間比較用stwm 』 lt檢驗。
  5. Lifting and lowering of the pringting arm of this machine is vertical, therefore, in case of half - tone printing, presence of screen wire and consistency of aberration are improved ; in case of spot printing, stability and uniformity of inking are enhanced ; fine adjustment and lock of the worktable is independent of each other, so positioning error caused by lock of the worktable can be controlled ; height and pressure of the printing blade and ink - returning blade can be stepless - regulated separately, which improver printing quality and service life of half - tone ; printing travel and half - tone fixing mechanism can be fast adjusted, which is suitable for printing area with different size

    本機印刷大臂升降為垂直升隆式，網線版印刷時網線表現率為色差一致性得到提高，實地版印刷的施墨穩定性及均勻性得以加強；工作臺微調與鎖緊獨立，因工作臺鎖緊而帶來的定位誤差得以控制；印刷刀、回墨刀高度及壓力均可單獨無級調節，提高了印刷質量和網版的使用壽命，印刷行程和網版固定機構大小可快速調節，方便不同規格的印刷面積。
  6. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大
  7. Furthermore, analyses of dna sequence datasets with the violation of the homogeneity assumption is not only useful to elucidate the evolutionary mechanisms that have shaped the observed differences in genes and species with atypical substitution process, but also provides important clue for the future development of phylogenetic methods

    更進一步地，對于違反同質性假設的dna序列數據集的分析，不僅用於闡明在非典型替代過程下的基因和物種形成的可觀察到的差異的進化機制，也為深入研究系統發生的方法提供了重要的線索。
  8. This formula used inverse regression and data fusion technical and maximum likelihood theory, then this method enabled random sample value obtained in ultrasonic and rebound method of different detection population to mix together effectively, and reach estimation of concrete strength

    該公式利用逆回歸理論、數據融合技術和最大似然原理，將回彈值和聲速值分別看作被解釋變量，將來自超聲法和回彈法不同量綱的檢測數據進行有效融合，得出混凝土強度的推定值，該推定結果具有無偏性和方差最小性質。
  9. Furthermore, utilizing the characteristic that filtering error covariance expresses filtering precision and the principle of information conservation, the dynamic and reasonable distribution of distributed tracks weight coefficient is accomplished. jerk model and strong tracking filter is organically assembled, and based on spatio - temporal synthetically analysis and lme, a self - learning estimation method of the system measurement variance is given. the method improves obviously the

    3 、將jerk模型與強跟蹤濾波演算法有機地結合，並利用時空綜合分析和極大似然估計的思想推導出了一種系統量測方差自學習修正方法，以優化強跟蹤濾波演算法中次優漸消因子和濾波增益的在線選擇，同時根據多傳感器數據融合具有改善濾波精度的性質，進而給出一種基於jerk模型的多傳感器數據融合演算法。
  10. Took sha - zhuyu and east shore of qing - hai lake as the examples and based on the mass of field survey and soil analyse, took comparative method, we carried through the researches on the causes of the desertification, the origin of sandy desertificational land substance, the development diversification and difference of soil characteristic in process of manual and spontaneous vegetation recovery in high frigid regions and make out the taxonomy of desertificational land in high frigid region of china. the result obtained are summarized as follows : 1. the development of the desertificational land in high frigid regions is caused by the manual and spontaneous factors

    論文首次對高寒地區的砂質荒漠化土壤進行系統研究，以沙珠玉和青海湖東岸為例，通過野外考察和土壤樣品室內化驗，採用對比分析的研究方法，對中國高寒地區荒漠化的成因和研究區砂質荒漠化土地的形成演變，土壤發生特性、人工植被恢復和自然植被恢復過程中土壤的發育差異和性質變化進行系統研究，並用系統分類體系對研究區土壤進行類型劃分，得到主要結論如下： 1 、高寒地區荒漠化的發生發展是在自然因素和人為因素共同作用下進行的，沙珠玉地區風沙土是就地產生的，青海湖東岸地區風沙土主要是由風從湖的西岸搬運而來的，兩地區砂質荒漠化發展仍然十分嚴重。
  11. And through the analysis of group differences reflected, on the social network, by the work force in different groups with different professional role in the present rural area, this research gives the prophecy of the evolving tendency of the social supporting network of the work force in the rural area in china. the thesis is divided into four parts : the first part expatiates the focus of attention, purpose, significance, innovation, feasibility, research idea and research methodology of the paper. the second part, through the five aspects of the scale of the social supporting network, relation constitution, compactness degree, convergence and diversity, describes and analyses the general character of the social supporting network of the work force of the rural area, and roots out that the social supporting network of work force in rural area in china is in the process of slow and gradual transform

    全文共分四大部分：第一部分，闡述本研究的出發點、目的、意義、創新性、可行性、研究思路以及研究方法；第二部分，從社會支持網的規模、關系構成、緊密程度、趨同性、異質性等五個方面，描述和分析了農村勞動人口社會支持網的一般特徵，發現當前我國農村勞動人口社會支持網，正處于較緩慢的漸進的變革過程中，傳統農民的社會支持網已經開始呈現出一定的多樣性和豐富性的特點；第三部分，通過控制職業角色分化因素，對不同職業角色群體勞動人口的社會支持網進行差異性分析，發現較之農業勞動者群體而言，工商業勞動者群體的社會支持網更為復雜與多樣，其社會效用也更大；第四部分，在概括本文研究結論的基礎上，預測農村勞動人口社會支持網的發展趨勢，明確現代社會網的創新方向。
  12. We also examine the performance of this simple test under a variety of biologically realistic conditions, develope a monte carlo procedure to test the homogeneity of the observed patterns, and compare it to kumar and gadagkar ' s test by computer simulation as well as empirical data analysis

    我們在各種不同的生物學條件下檢查了這個檢測的效能，發展了一個montecarlo方法來檢測觀察到模型的同質性，並通過計算機模擬和真實數據的分析，比較我們的卡方檢測與kumarandgadwtar的id檢測之間的效能差異。
  13. Through interviews with managers from 15 profit companies, we make up our questionnaire named " the modern value of human - oriented thought ", which contains 4 factors : " cognizing person ", " caring person ", " respecting person " and " developing person ". the following is the main conclusions of this research : ( 1 ) we find that these 4 factors behave differently for different individual and organizational level : the female are more agreeable on human - oriented thought than the male. the more education people have, the more agreeable on the thought they are

    本研究的結論主要有以下三個方面： （ 1 ）發現和論證了「以人為本」價值觀的每個因素在個體水平（性別、學歷、職務）和組織水平（資本性質、文化背景）上都存在著差異：女性「以人為本」的程度顯著高於男性、隨著教育水平的提升「以人為本」程度有著明顯的增強趨勢、各職務水平在「以人為本」價值觀程度上存在顯著差異、職務越低越「關心人」 、不同資本性質在「關心人」和「認知人」上存在顯著差異、不同文化背景在「關心人」和「以人為本」價值觀程度上存在顯著差異，歐美最重視、東亞其次、中國大陸第三。
  14. The methods of the research is to annotate the original works of chinese ancient logic with the tools of modern language and logic, to reveal the nature - particularity and universality of chinese logic and the connection - difference and similarity between chinese logic and foreign logic

    研究方法，是用現代語言和邏輯工具，詮釋中國古代邏輯原典，揭示中國邏輯的性質（特殊性和普遍性）與中外邏輯的聯系（差異性和同一性） 。
  15. Recently, kumar and gadagkar ( 2001 ) proposed a simple measure, disparity index ( id ), to quantify the difference in observed substitution patterns between molecular sequences, and use it to develop a statistical test as the probability distribution of this statistic ( id ) is unknown, monte carlo approach must be used to test the null assumption of homogeneity

    近來， kumarandgadgh （ 200 ）提出了一個簡單的測量一差異指針（ isparityindex ， id ）來量化這種在分子序列間觀察到的替代模型的不同，並用它發展了一個統計檢測。由於這個統計量峋）的概率分佈是未知的，故必須利用montecarlo方法來檢測這無效同質性假設。
  16. Next we compared the there accounting methods for business combinations and analyzed the limitations of pooling of interests method. and then we used the theory of recognition and measurement, assets valuation theory and the theory of fair value to discuss the accounting treatment for the composing parts of " consolidated price margin "

    第四部分是全文的重點，應用資產定價理論、確認和計量理論、公允價值理論等對合併會計的核心問題? ? 「合併價差」的各個組成部分進行了實質分析，並且從理論上提出了相應的會計處理方法，同時也考慮了理論方法在實務應用中的可操作性。
  17. Second, we used the independent - samples t test and one - way anova to analyze the difference in the dimensions of promoting among different enterprise staff. third, we adopted correlation and regression analysis to research the relations between the quality of work life and organization commitment. the results indicated the followed conclusions

    接下來採用t檢驗和方差分析的方法對不同人口特徵在工作生活質量及其各維度上的差異性進行了比較和分析，並對工作生活質量及其各個維度與組織承諾的關系進行了相關和回歸分析，探討了工作生活質量對組織承諾的預測作用。
  18. Furthermore, suppression subtractive hybridization ( ssh ) was employed for the isolation of cdna fragments for euonymus japonicus " zhuzi " differentially expressed genes, and forward suppression subtractive cdna library of cold - regulated genes was constructed. the seedlings of euonymus japonicus " zhuzi " treated with low temperature were as tester and untreated seedlings as driver. subtractive cdna library was differentially screened through cdna macroarray, six hundreds and four cdna clones were identified as cold specifically induced or highly expressed

    （ 5 ）應用抑制差減雜交（ suppressionsubtractivehybridization ， ssh ）方法，構建冷誘導表達的正向抑制差減cdna文庫，低溫處理的幼苗為tester ，常溫處理為driver ，通過cdna微陣列差異篩選cdna文庫，得到604個低溫誘導或表達增強的候選克隆，對其中的84克隆進行dna測序，去除冗餘的cdna ，在genbank中進行核酸和蛋白質同源性的比較和功能分析，共有36個單一序列，其中12個cdna在genbank數據庫沒有同源的序列。
  19. The article calculate the sale income, gross cost, income, cash flow, internal rate of return, net present value, payback period in etc. then i contrast analysis result of calculating with one of feasibility study and national standard, i have got a conclusion to analysis though ca7200e3 transformation - shell project from 2000 to 2005 management result can not achieve than assume, but this project management result is better than national standard. in conclusion the project is successful. 38 - 40 as proceeding the assessment, the article also gives many suggestion on the future of the project. i have a lot analysis from several aspect, they includes project background analysis, market analysis, project condition analysis, finance analysis, etc. these analysis prove that the project is feasibility

    論文比較分析ca7200e3變速器整體前殼項目可研預期與項目實際運行的符合度，找出項目實際運行與可研預測之間偏差產生的原因;論文首先對項目立項決策科學性、產品技術方案可靠性、原材料供應經濟性、組織機構和人力資源配置合理性進行了綜合評價;然後對項目建設中費用、進度、質量、合同、信息管理工作存在問題進行了系統分析評價;接下來對項目運行狀況從產量、效益多方面進行分析，找出項目運行中存在的主要問題，並分析了問題產生的主要原因;最後在項目產品未來發展需求預測基礎上結合項目立項后評價、建設后評價、特別是運營狀況后評價所發現的問題，對如何提高該項目管理水平給出了相關建議。
  20. Aiming at the problems that there are in the fuse universal test of the conventional weapons test, this paper puts forward using quality control method and statistical analysis method to get the optimum plan for fuse universal test, meanwhile evaluates the reliability

    本論文針對常規兵器試驗中引信通用性試驗存在的一些問題，提出用線外質量管理方法?穩健試驗法、極差分析和方差分析等統計分析方法，對引信通用性試驗方案進行優化設計，同時對引信的通用性進行了可靠性評定。
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