數量變異 的英文怎麼說

中文拼音 [shǔliángbiàn]
數量變異 英文
meristic variation
  • : 數副詞(屢次) frequently; repeatedly
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 形容詞1 (有分別; 不相同) different 2 (奇異; 特別) strange; unusual; extraordinary 3 (另外的;...
  • 數量 : quantity; quantum; amount; magnitude; number
  1. 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,對高光譜據不同波段的據質、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規律,進一步明確了掌握地物光譜特徵和規律是用成像光譜儀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化引起的反射率曲線整體平移的「同物譜」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反演的重要基礎;像元的導光譜分析可以消除土壤背景的影響,是進行植被生物和蓋度定反演的有力工具;建立了荒漠化監測主要評價因子的定反演模型,並分析了模型的適用性。
  2. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中,木耳屬2個種的2個菌株在its區域表現出較高的保守性, 4種限制型內切酶的酶切圖譜沒有顯示出多態性;增加內切酶種類及供試菌株,有可能獲得具有多態性的限制性內切酶酶切圖譜; 9本實驗中, its區域的真菌特性引物與真核生物通用引物對于擴增效果無較大差,擴增片段長度均為650bp左右; 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法,兩者的關系是相輔相成,互為驗證
  3. Additive variance was higher than dominance variance, which indicates quantitative inheritance.

    加性的高於顯性的,表明是遺傳。
  4. The coefficient of variation of saturated water content decreased with the depth of profile. the coefficient of variation of bulk density and field capacity fluctuate with depth of soil

    飽和含水都隨深度的增加逐漸降低,含水、容重和田悶持水隨深度的呈波動化。
  5. The results showed that the number of polyhedra obtained by the staining method was less than that by hemacytometer, but the coefficient of variation of the samples was lower than that of hemacytometer method, thus the staining method can be used in quality control test of virus insecticides

    該染色計法測得的多角體要低於血球計板的計結果,但較血球計板計法顯著較小,結果穩定,適用於病毒殺蟲劑的質檢測。
  6. Varieties of flowering colors present cline. specially, variations of flowering colors within puer population are many and varied. longs and widths of perianths as well as longs of stamens are continuous variation of quantitative characters

    結果表明:居群內各種形態性狀都具有豐富的多態性,居群間具有明顯的多型性;花色呈梯度,特別是普洱居群花色式樣最豐富;花被片的長與寬和雄蕊的長度是性狀的連續
  7. The number of thermodynamic variables, such as temperature and pressure, required to specify a state of equilibrium of a system, given by the phase rule

    化,相律提供的,要求詳述某一系統的平衡狀態的熱力學目,如溫度和壓力
  8. By contrast, the paper calculated the reliability index of the abutment after changing variable quotiety of the stochastic variable

    作為對比,本文還在改各隨機的前提下,計算了壩肩巖體各高程的可靠指標。
  9. The studies on the effects of temperature and soil water content for the number of oribatida and collembola were made. the results indicate that there are some effects for the number of oribatida and collembola. the difference on the most preferred temperature and soil water content for the growth of oribatida and collembola is not obvious. the preferred temperature is about 24. the preferred water content is about 16 %. the toleration on low temperature and drought for oribatida obviously is capable than that for collembola

    對不同溫度和土壤含水甲蟎和跳蟲的關系進行了實驗觀察.結果表明,溫度和土壤含水對土壤甲蟎和跳蟲的動均具有一定的影響.甲蟎和跳蟲生長的最適溫、濕度差不明顯,最適溫度約在24左右,最適濕度約為16 %的含水.甲蟎耐受低溫、乾旱環境的能力明顯大於跳蟲
  10. Manglietia grandis flora quantitative features

    大果木蓮的花部數量變異研究
  11. And secondly target and methods about quality control to construction project, have the affect factor " 4m1e " to quality variation under analysis and control, that quality to be influenced, seven kinds of means and tools of mathematical statistics to control quality and basic work need to do

    接著對施工項目質控制的依據、目標和方法,影響質的「 4m1e 」因素的分析和控制、理統計控制質的七種工具和方法、需做的質基礎工作等作了全面的論述。
  12. The new cnv map ? compiled from 270 individual genomes of people with african, asian and european ancestry ? will change the way in which scientists search for genes involved in disease

    根據來自非洲、亞洲和歐洲的270個人的基因分析資料,科學家們繪制了新的「復制數量變異」圖,它將改科學家們尋找與疾病相關的遺傳因子的方式。
  13. On the other hand, the hydraulic performance of the hole, including flow rate coefficient and uniformity of flow rate, have been tested as standards to evaluate the quality of holes punched by laser drilling machine with much better results than that punched by mechanical drilling machine. the shape of holes taken by a microscope photograph can also give detail and well explanations for this test results

    對噴孔水力學性能的試驗研究表明,本文提出的用噴孔水力學性能指標(流和流)來評價微噴帶激光打孔機質的方法是可行的,並證明微噴帶激光打孔機的質明顯優于機械打孔的質,用顯微鏡觀察噴孔的形狀的照片也同樣證明了這一點。
  14. Our results provided direct evidence that pf40 gene play a role in the tissue development, with knockout this gene the lateral buds were not visible. the plant hormones auxin and cytokinin appear to play a major role in controlling this process, therefore, the concertrition of auxin and cytokinin was measured, however, the concentration of the two hormone was variation a little in transgenic plants, but the ratio of the two was more than 5 fold in the pf40 gained function plant than that in wild type. furthermore the pf40 gene effected differentiation of the vascular bundles in different transgenic plants, results showed the pf40 could change both xylary fibers and vessel

    進一步的實驗發現pf40基因會影響植物側芽發育的早期,即pf40基因作用在側芽形成與發育的早期。對轉基因穀子的組織切片的分析還表明pf40基因引起不同形式的轉基因穀子的維管組織的發育的差,轉化正義載體穀子的木質部多,維管系統增多,而反義或干擾的轉基因穀子的木質部少,木質部分化常。從轉基因的結果可見pf40基因可以減弱植物的頂端優勢,這種作用是通過改植物體內激素的含實現的。
  15. Based on the theory of stochastic finite element, the structural parameters of frame - shear structure including stiffness and mass and damping are simulated to be stochastic variables. by solving recurrence equation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame - shear structure. an analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame - shear structure. as shown by the results, with regard to frame - shear structure, the effect of variation of strucural parameters on the change of mean value are chiefly the increase of standard deviation of response. variation of stiffness will cause the response of frame - shear structure to variate greatly ; variation of mass shows less effect ; and variation of damping shows insignificant effect. the effects of simultaneous variation of various structral parametres on seismic response are only slightly greater than the effect of stiffness variation alone

    以隨機有限元理論為基礎,將框剪結構的剛度、質、阻尼等結構參為隨機.通過求解隨機有限元的遞推方程,得到框剪結構各層的地震動力響應均值和標準差歷時曲線.分析結構參單獨,以及同時對框剪結構地震響應的影響.研究結果表明,對框剪結構而言,結構參對響應的均值化影響都不大,主要是增大響應的標準差.剛度的性將引起框剪結構的響應發生大幅度,質性影響稍小,阻尼的性影響不顯著.結構各參的同時,對框剪結構地震響應的影響,僅比剛度單獨的影響稍大
  16. The linear relation assumes between the mean characteristic parameter, sorting coefficient, variation coefficient of pore structure by rectangular method and the fractal dimension by integrated linear regression, indicating that the fractal dimensions can be used to quantitatively describe the heterogeneity of reservoirs

    用由矩法計算所得孔隙結構特徵參均值、分選系與用整體線形回歸所得分形維的線性關系說明,用分形維來定描述儲集層非均質性是可行的。
  17. Regard county, district unit of one grade of administrations as unit of counting, carry on land spend multi - level space - time dynamic change study, analyze 1986 - 2001 the land utilizes the quantity change all - sidedly, the land utilizes the space change of structure. through analyze article draw following meaningful conclusion while being above - mentioned : ( l ) district this one year, hit land utilize and take place the change by a large margin, and there are obvious regional differences one year. display it in the following several points concretely : land use pattern change a heavy one field, traffic land used for and cultivated land secondly most, residential area and land used for industrial and mining, utilize ground and forest land again, and water areas rate of change minimum

    以縣、區級行政單元為統計單元,進行了土地利用多層次時空動態化研究,全面分析了1986 - 2001年間土地利用化、土地利用結構空間化、土地利用景觀結構動態化、土地利用程度化、土地利用化的區域差等動態化過程和土地利用化規律,並應用理統計和綜合模糊評判方法,利用社會統計軟體spss 、學軟體包mathcad9 . 0定的建立了土地利用化的驅動力模型和預測模型,運用預測模型對本區土地利用類型進行了預測,並針對各驅動因素的地區差,進行了驅動力分區。
  18. This paper looks soil as homogeneous stationary random fields, expatiates the application of the random process in the geotechnical engineering and establishes the basic concept, its assortment and digital feature of random process and random fields, tests whether this random fields is a stationary process and whether it is ergodic, applies correlation function theory and variable function theory in the study of the random fields of soil parameter, acquires the relation of the two theories and draws the conclusion that they are equal essentially, fits the measured curve by using the correlation function method, variable function method and other methods, and acquires the value of correlation distance, applies the random fields theory of soil parameter in actual engineering, estimates the value of elevation and other soil parameters of 92 holes in baoding city and the results are satisfying

    將相關函理論和理論分別應用於巖土參隨機場的研究中,通過運用這兩種理論對巖土參特性的描述,得出這兩種理論的內在聯系及其本質一致性的結論。分別運用相關函法、法及其它求解相關距離的方法對實測函曲線的擬合,得出描述空間相關程度的度? ?相關距離(或程) ,對用這幾種不同方法得出的相關距離(或程)值進行了比較,並對這幾種方法的優劣和實用性做了評比。將巖土參隨機場理論運用於工程實際,對保定市區某場地的92個鉆孔的各層位的層底標高及其它幾種常見的巖土參做出了估計,預測結果比較令人滿意。
  19. With increase of the climate variability, the amplitude of increased yield simulated would be reduced. and the variation coefficient ( vc ) of the simulated yields and their instability would also increase

    但隨著氣候率的增大,模擬產的增幅明顯小,產增大,穩產性差。
  20. This paper mainly carries on research into quantity, degree and depth of luc, and landscape change degree in different economic zones of chongqing, comparative study of human driving forces causing different luc from qualitative and quantitative respects in different economic zones of chongqing, further investigation with cultivated land change and construction land change and driving force through analyzing proper human driving forces using principal components " analysis, multi - linear regression model, stepwise regression model, quantitative prediction of cultivated land and construction land in the following 10 years in the sample areas with the help of grey trend prediction model such as gm ( 1, 1 )

    本研究主要進行了不同經濟區土地利用化程度(速度、速率) 、深度以及景觀化差研究;從定性和定兩個方面對引起不同經濟區樣點土地利用化差的人類驅動力進行對比性研究;通過選取適當的人類驅動力因子,利用主成分分析法、多元線回歸模型、逐步回歸分析法對人類驅動力所引起的不同經濟區的耕地、建設用地的土地利用化進行深入研究;利用灰色動態預測模型gm ( 1 , 1 )對未來10年內樣點區耕地、建設用地化進行預測性研究。
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