物間變差 的英文怎麼說
中文拼音 [wùjiānbiànchā]
物間變差
英文
inter-subject variation-
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。The discontinuous component of the genetic variation pattern of a species also contains the differences among subpopulations resulting from accidents of sampling genetic drift and others.
物種遺傳變異型不連續的成分也包含抽樣遺傳播遷和其他事故引起的亞種群之間的差別。Seventeen important morphological characters were analysed to identify and evaluate genetic diversity of morphology of the lespedeza populations. fourteen vital morphological characters were studied using basic statistics, correlation analysis, factor analysis and cluster analysis. zymograms were analysed using eighteen alleles of seven allozymes
對14個關健形態學性狀指標的平均值、方差、標準差、變異系數等基本統計分析表明，胡枝子屬植物不同種間以及種內居群間在這14個重要形態學性狀上的遺傳差異較大，變異系數達28 . 89 122 . 36 （全生育天數除外，變異系數為4 . 72 ） 。Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy
一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。The direct seeding experiments of different pteris vittata genotypes showed that there was significant difference in germination and emergence traits among pteris vittata genotypes collected from different areas in china, with germinating time ranging from 12 - 40 days, duration from germination to emergence varying between 13 - 46 days. as the seeds of pteris vittata are very small, with little stored nutrition, the genotypes, which are quick in germination and emergence, are suitable for direct seeding in the field
不同基因型的蜈蚣草的直接播種試驗研究表明，來自我國不同地區的蜈蚣草基因型在萌發特性有顯著差異，萌發時間變動在12 - 40d之間，萌發到成苗時間變化在13 - 46d 。因為蜈蚣草種子小，貯藏的營養物質少，故具有快速萌發和成苗特性的基因型易於田間直接育苗。Aesthetic appearance is one of the most important criteria used by consumers in judging clothing wear performance. bagging is a kind of three - dimensional residual deformation that deteriorates garment appearance during wear and caused dissatisfaction. to understand the psychophysical mechanisms of fabric bagging perception, a method of subjectively evaluating this behavior is developed by using a series of photographs taken from bagged fabric samples. both ranking and rating scales are used as the psychological scales. the two scales are highly correlated with each other, but the rating scale provides more information than the ranking scales and can indicate perceived differences between fabrics. a linear relationship between subjective perceptions and measured residual bagging height shows that perception of fabric bagging follows stevens ? power law. residual bagging height contributes up to 94 % of the total variance in the perception of fabric bagging. the rest of the variation may be attributed to anistropic behavior during the bagging process
美觀是消費者日常服裝穿著功能中最重要的指標之一.起拱是一種外衣穿著中引起變化，令人不滿的三維殘余變形.一種主觀評價方法是從一系列起拱織物的照片來理解心理物理學規律，採用優劣排序等級和優劣評判等級兩種方法用於心理評價標度.這兩種等級互相間緊密相關，但評判等級比排序等級包含更多的信息，可以更好地區分出兩種織物間的差異.主觀評價結果與測量得到的殘余起拱高度之間線性相關，表明了織物起拱特性符合斯特藩指數定律.殘余起拱高度對織物起拱特性總方差的貢獻在94 %以上.其它可能是起拱時各向異性因素引起的After spraying the herbicide, the results with time show that no obvious quantitative difference occurred in benthic species composition, biomass, inhabit density and the coherent variation trend between experimental zone and controlled zone
藥物噴灑后不同時段調查結果表明：試驗區與對照區的底棲生物種類組成、生物量、棲息密度同步對比數量相差不明顯，其隨時間變化的趨勢亦呈現總體一致。This research investigated the variability and the quantitative relationships among soil nutrients ( soil ph, total n, organic matter, available p ), growth status ( spad, lai and spad lai ) and yield of rice. all data were analyzed by both classical statistics and geostatistics based on gis. by further integrating gis, gps and crop management knowledge model, a decision support system for precision farming ( dsspf ) was developed, which laid a technical foundation for the practical application of precision farming system
本研究基於gis技術，以經典統計和地統計學為分析手段，確立了田區土壤養分（土壤ph 、全氮、有機質、速效磷、速效鉀） 、水稻作物長勢（ spad 、 lai 、 spad * lai ）和產量的空間變異特徵及定量關系；進一步以作物管理知識模型為智能決策支撐，提出了gis與模型及gis與gps的組件化集成技術，構建和實現了基於田區作物產量、土壤養分和苗情監測差異的精確農作決策支持系統（ dsspf ） ，為精確農作系統的應用奠定了技術基礎。In the core, more than 20 kinds of lithofacies was recognized and more than 6 type microfacies including channel, inter - channel, sheet - like sand, lake and salt lake was distinguished. 2 founding stratigraphy framework through base level analysis four scales cycle was distinguished from the core. very - short term base level cycle is equal to a sediment incident
儲層物性較差，孔隙度多在11 - 13之間，滲透率多小於5毫達西，層內夾層較為發育，層內和層間滲透率差異明顯，滲透率變異數多在0 . 7以上，孔隙喉道細小，以小於0 . 1um的喉道為主。Drought and flood are two of the major disasters that human being have to face. the losses due to them may be more than 50 % of the total disaster losses in jiangsu province. many valuable researches on meteorological and agricultural drought and flood have been done in world
江蘇省地處北亞熱帶、東臨海洋，雨量充沛，氣候濕潤，但降雨量年際間變化大，年內分佈不均勻，造成不同年份干濕狀況差異較大，常有非旱即澇的現象，給主要作物生產帶來非常不利的影響。As for the change of reaction temperature, a good appearance of microspheres will be observed. after heat treatment we obtain the mesoporous sio2 microspheres, the morphology, size and size distribution of microspheres before and after sintering were investigated by using the scanning electron microscopy ( sem ). the desorption of water and ethanol and decompostion of polymers in microspheres were analyzed by using tg - dsc machine
當r 1時將導致微球產生破裂，而r 4時則生成凝膠狀物質；其他條件不變時，微球形貌隨ph值的增大逐漸變差，最終破裂；乙醇含量增大時，微球粒徑逐漸增大；而隨著反應時間的進行，顆粒逐漸長大，微球形貌不斷完善，表面逐漸平滑；反應溫度的變化會得到更光滑的微球表面，微球粒徑隨之增大。The development of finite strain consolidation theories based on continua mechanics and mixture theory is detailed and the differences and consistency between these theories are remarked on
介紹了基於連續介質理論和混合物理論的大應變固結理論的發展，論述了兩種一維大應變固結理論之間的差異及其一致性。God grant me the courage to change the things i can, the serenty to the things i can ' t, and the wisdom to tell the difference
上帝給予我勇氣使我能改變事物，但是我不能改變無生氣，無意義，枯萎的事物，可是智慧能告訴我這中間的差異，分歧。3 the author analyzes the productive and opening potential and forecasts the demands of some kinds landuse and draws some conclusions : ( l ) the main cause for low production and income is the shortness of water and the poor fertility of land ; ( 2 ) constructive land is not suitable for farming and should be used for economy construction, and this is the main path to keep the total number of plantation in balance. 4. according to the land use, the author discover the unsustainable factors and use synthetical index method to evaluate the sustainability of landuse and the results are these : ( l ) synthetical and monomial value increase gradually with the change of time and sustainable degree of landuse rises year by year ; ( 2 ) the artical compartmentalizes the sustainable landuse into four grades : prophase, primary period, basic period and sustainable period according to the synthesical value with 30 %, 60 % and 85 %
4根據酉陽縣土地資源利用現狀，在評價模型採用綜合指數法進行評價的基礎上，結合單指標多角度評價法，找出土地利用過程中存在的不可持續性因素，採用綜合指數法對酉陽縣土地資源進行可持續利用評價，結果顯示: （ l ）綜合評估值隨時間變化呈增加的趨勢，而且單項指標的評估值也逐漸提高，可持續利用度在逐年上升; （ 2 ）根據事物發展階段論，按綜合評估值為30 % 、 60 %及85 %將酉陽縣土地可持續利用劃分為可持續利用的前期階段、初期階段、基礎階段和持續階段等四個等級，從酉陽縣1980年、 1990年以及2000年總的土地可持續利用綜合評估值來看，酉陽縣到2000年土地利用管理仍處在可持續利用管理的初期階段，離土地可持續利用的目標還相差較遠。In proceedings of the international conference on shape modeling and applications, genoa, italy, 2001, pp. 209 - 215. 23 marc alexa. differential coordinates for local mesh morphing and deformation
由於應變場可以對物體變形程度進行定量描述，因此拓撲相同的原始形狀和目標形狀之間即使差異很大，本文方法產生的結果也能從理論上保證漸變過程光滑均勻。So this study will reveal the human expressions of hsp70, bfgf, cox2 after cerebral contusions and the relationship between the expression and the contusion time utilizing the immunohistochemical staining, at the same time, this study will find out the diversity between the autopsy case and the animal experiment, which can provide the theorical evidence to identify the aging cerebral contusion
故本實驗採用實際工作中的案例標本，應用免疫組織化學染色，旨在了解人腦挫傷后hsp70 、 bfgf和cox2的表達，揭示其表達與人腦挫傷時間變化關系，同時觀察屍體解剖標本與動物實驗標本免疫組織化學的差別，為腦挫傷時間判定實際鑒定工作提供一條可行的理論依據。Abstract : a numerical model for wave propagation in water of varying topography and current is proposed, and time - dependent wave mild - slope equation with a dissipation term and corresponding equivalent governing equations are presented. two different expressions of parabolic approximations for the case of the absence of current are also given and analyzed. examples of numerical simulation for wave transformation in large estuarine water areas are provided
文摘:提出了水深與流場緩變水域波浪傳播數學模型水流中依賴時間變量並考慮能耗的波浪「緩坡方程」及其等價的控制方程組，分析比較了無水流情況此理論模型與其相應的兩種拋物型近似的差別，提供了長江口波浪變形數值模擬計算工程實例.實例表明，該模型能適應河口三角洲大范圍水域波浪傳播數值計算In the past few years, many reports showed that the plant phonology toward early in spring and late in autumn in europe, america, and asia
不同種類植物物候對氣候變化的響應的差異，會使植物間和動植物間的競爭與依賴關系也發生深刻的變化。As the law now stands, when a commercial or industrial building is disposed of, the difference between the disposal price and the written down value will either be granted as a balancing allowance if disposal price falls below written down value to the taxpayer, or imposed as a balancing charge if disposal price exceeds written down value on the taxpayer
目前法例規定，當商業或工業建築物資產變賣時，會按其賣價與變賣時折餘價值之間的差額，給予結餘免稅額如果賣價低於變賣時折餘價值或徵收結餘課稅即賣價高於變賣時折餘價值。We present a methodology for computing daily pollutant concentration fields that reduces exposure uncertainty and bias by taking account of spatial variation in air quality
我們呈現一個方法來計算每天污染物的濃度，以減少在考慮空氣品質的空間變異性時，對于暴露的不確定性及偏差。分享友人