均勻變異 的英文怎麼說

中文拼音 [jūnyúnbiànyì]
均勻變異 英文
uniform mutation
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 勻 : Ⅰ形容詞（均勻） even Ⅱ動詞1. （使均勻） even up; divide evenly 2. （分出一部分） spare
  • 異 : 形容詞1 （有分別; 不相同） different 2 （奇異; 特別） strange; unusual; extraordinary 3 （另外的;...
  1. The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar

    電離層是隨機時變，各向異性，非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量，必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態，對短波通信和天波雷達工作起了重要的輔助作用。
  2. Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods, the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred

    通過分析兩期土地利用及景觀結構指數之間的差異性，指出由自然和人為原因引起的生態環境的變化：研究區總面積有所減少，鹽堿地改良後用于了魚蝦養殖，部分未利用地和水域鹽堿化，區域景觀類型豐富且均勻，局部破碎嚴重。
  3. Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china

    研究發現：西部地區年降水量的空間分佈極不均勻，局地差異大；冬季絕大部分地區乾旱少雨，夏季雨量豐沛，春秋季是過渡階段，大部分地區秋雨多於春雨；各季降水量的相對變率大於年變率，夏季最小，冬季最大，春秋兩季相似，數值上與冬季相差無幾；我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地，並不在我國的最西北角。
  4. The phase - shifting interference is a osculant and high precision technology base on the wavelength. because of the different size of object being measured leading to different size of interference wave which brings on asymmetry of the interference wave ineluctably we adopt the zoom lens to improve the measurement precision. considering the interferometer ’ s sensitivity to the vibration the interferometer is often used in the lab which restricts it being used widely

    移相干涉術是以光波波長為單位的非接觸式高精度測量技術，為了使大小各異的被測元件產生的干涉條紋尺寸大小一致而引入了變焦鏡頭，從而不可避免地導致干涉條紋亮暗不均勻和照度改變的問題，最終影響測量精度。
  5. Based on the two ctd data sets from the cruise of the summertime in 2000 and wintertime in 2001 in bohai sea and the collected historic observed thermohaline data, we analyse systemically the distributional characteristics of temperature, salinity and density in wintertime and summertime in the bohai sea and the results reveal that the current hydrologic characteristics of the bohai sea have some obvious variances relative to the previous research results. in summer there are three low - temperature centers in the middle - layer and underlayer of the middle parts of the bohai strait, liaodong bay - mouth and bohai bay - mouth, but there is a uniform high - temperature center in the middle part of the bohai sea. in winter the isotherms extend westward and northward to the bohai sea from the warm core of the bohai strait and a cold - water tongue off the qinhuangdao spreads southeastward out, so the saddle - like isotherm pattern is formed in the middle part of the bohai sea

    利用2000年夏季和2001年冬季渤海兩次ctd資料和以前收集的渤海溫鹽調查資料，分析了渤海冬、夏季溫鹽密度的分佈特徵，結果表明，渤海現有的水文特徵與以往研究結果相比發生了明顯的變異：夏季在渤海海峽、遼東灣口和渤海灣口中部中、下層存在三個低溫中心，在渤海中部則出現一個上下均勻一致的高溫中心；冬季等溫線以渤海海峽暖中心向西和向北兩個方向伸入渤海，而從秦皇島外海有一冷水舌向東南方向伸展，在渤海中部海域形成「馬鞍狀」等溫線結構。
  6. The feature model includes two characters : the braided unit ' s braiding distance and braiding angle. processing the climaxes information can get the two characters. this paper uses mathematical statistic technology to realize the braiding homogeneity measuring

    最後採用數理統計中的變異系數這一統計量對預製件表面圖像中的每個編織單元進行分析，分別對特徵模型中的花節長度量和編織角量進行均勻性統計，進而完成復合材料預製件表面編織均勻性的測量。
  7. In this paper, a genetic algorithm was presented to solve the problem of the searching of the optimal coalition structure. we designd one - dimension chromosome coding structure and the corresponding improved uniformity crossover operator and the heuristic mutation operator

    我們給出了一種求解最佳聯盟結構的gas演算法，設計出了一種簡單的一維自然數染色體編碼結構和改進的均勻交叉運算元以及啟發式變異運算元。
  8. Crossover is implemented using arithmetic crossover operator. then unsymmetrical mutation is conducted using the new mutation operator which can expand the scope of chromosome gene value, at the same time, the chromosome with the highest fitness values are retained for each iteration. a lot of experiments are implemented to obtain the optimized initial weighs and bias

    生成了三維矩陣表示的染色體，進行了聯賽選擇，利用算術交叉運算元進行了交叉運算，利用構造的新的變異運算元，進行了非均勻變異，同時保留了每次進化運算后最優的適應值，通過大量實驗，實現了遺傳演算法優化bp網路的初始權值和閾值的目的。
  9. Based on the pseudo - static experimental results of nine abnormal joints, the damage process of abnormal joint is divided into four stages of original crack, entire crack, ultimate state and failure, the effect of axial force ratio, stirrup ratio and height of column section on seismic behavior of abnormal joint are discussed, the conclusion that anti - shear capacity of abnormal joint are studied in entire crack state by studying the minor core of abnormal joint is made, the calculating formula for anti - shear capacity of abnormal joint is proposed with a view to asymmetry in stirrup yield

    摘要根據9個鋼筋混凝土框架異型節點試件的擬靜力試驗結果，指出異型節點受力過程分為初裂、通裂、極限和破壞4個階段；討論了軸壓比、節點核芯配箍率、柱截面高度變化對異型節點抗剪性能的影響；提出應考慮節點核芯區箍筋屈服的不均勻性並在通裂狀態下以「小核芯」為分析單元來研究此類節點抗剪承載力的建議；最終給出了異型節點抗剪承載力的計算公式。
  10. Tillering and earbearing characteristics of wheat varit ies “ miannong 4 " and “ miannon 3 " were studied under three densities. the results indicated that t he two varieties had medium tillering speeds and tillering numbers ， and their t illering number under medium density was 3. 7 tillers per plant ， which is less th a n that of “ mianyang 11 " ， a popular wheat variety in sichuan in 1980s. their perc en tage of earbearing was about 55 % ， which is also lower than that of “ mianyang 11 "

    在3種密度下對綿農4號、綿農3號的分蘗及成穗特性進行了初步研究，結果表明：綿農4號、綿農3號的分蘗速度和分蘗力皆為中等，中等密度條件下，有效分蘗期每天可形成0 . 15蘗，各期總蘗數為3 . 7左右，低於綿陽11號；與綿陽11號分蘗速度的差異主要在有效分蘗期；綿農4號、綿農3號的成穗率為55 %左右，低於綿陽11號；但分蘗和主穗的差異較小，分蘗穗重佔主穗重的80 %左右，莖蘗穗重變異系數15 %左右，穗子大小均勻一致，小穗相對較少，小穗較大，這些性狀都優于綿陽11號。
  11. It is demonstrated that the use of the perforated plate affords a high level of gas holdup, especially at higher superficial gas velocities, and nearly uniform distributions of the solid within the column

    結果表明，多孔板分佈器加入后淤漿床內的氣含率較高，這種差異在較大表觀氣速下尤為明顯，同時床內的流動變得均勻。
  12. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論，將復合材料層板的彈性問題化歸為均勻各向異性板來求解；採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，給出了有限大含橢圓核各向異性板彈性問題的級數解形式；利用雜交變分原理，成功導出含橢圓核各向異性板雜交應力有限元，並用算例驗證了該單元的可行性和有效性；採用含剛度折減橢圓形彈性核的沖擊損傷模型，引入基於特徵曲線和yamada - sun破壞準則的點應力判據，建立了含損傷復合材料層板剩餘強度的分析方法；通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響，得到了一系列對工程應用具有實用價值的結論。
  13. From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3

    在二維非均勻介質逆散射邊界識別的數學模型（包括一般的非均勻介質，正交各向異性介質，變阻抗介質，各種可能的混合變阻抗邊界問題）下，由內透射問題和外透射問題以及輻射條件，推導了上述介質的邊界識別的積分方程和指示函數方法，由於積分方程的核充分表徵了散射物的邊界，由此說明只要利用正則化方法求解該積分方程，就可以確定散射物的邊界。
  14. The results show that the completion degree of orientational alignment in mica plates remarkably varies in different sites of sample body, which is attributed to uneven deformation under the uniaxial hot - pressing condition

    結果表明：在單軸壓縮變形方式下，雲母微晶玻璃材料截面上的流變程度不均勻，導致晶體定向排列程度差異大。
  15. The petroleum chemical industry with the activated charcoal evengrain - size distribution, the high benzene adsorption dynamics, wear - resisting, resists corrosion, the selective adsorption performance isoutstanding, mainly uses in the petroleum, the natural gas and thecarbonificated industry vapor phase live pressure adsorption, theliquid phase separation, the solvent recovery, the liquid and the gasproduct purifies, and is mad in the fluid product organic sulfideremoveing

    均勻的粒度分佈，高的苯吸附力，耐磨、耐蝕，選擇吸附性能優異，主要用於石油、天然氣及煤化工業的汽相變壓吸附，液相分離，溶劑回收，液體及氣體產品凈化，及氣液產品中的有機硫化物的去除。
  16. The research results show that aggregate gradation and the nominal maximum aggregate size evidently influence the shear resistance of asphalt mixture ; aggregate flakiness content influences the shear resistance of asphalt mixture, and with the increase of aggregate flakiness content the shear resistance of asphalt mixture decreases ; asphalt binder properties, especially penetration, softening point and viscosity influence the shear resistance of asphalt mixture, and the latter increases with the decrease of penetration and the increase of softening point and viscosity ; asphalt content influences shear resistance of asphalt mixture, and with the increase of binder / aggregate ratio the shear resistance of asphalt mixture decreases ; air void influences shear resistance of asphalt mixture, and usually with the increase of air void the shear resistance of asphalt mixture decreases ; homogeneity does not have a direct and obvious relationship with absolute value of shear resistance of asphalt mixture, but does with variation of shear resistance of asphalt mixture

    研究結果表明：集料級配和公稱最大集料粒徑對瀝青混合料抗剪強度有顯著的影響；瀝青混合料抗剪強度受其集料中針片狀含量的影響較大，集料中針片狀含量增大，瀝青混合料抗剪強度減小；結合料的性質，特別是針入度、軟化點和粘度對瀝青混合料抗剪強度有較大的影響，隨著針入度減小，軟化點和粘度增大，瀝青混合料抗剪強度增大；含油量對瀝青混合料抗剪強度有較大影響，隨著油石比的增大，瀝青混合料抗剪強度減小；瀝青混合料抗剪強度受其空隙率的影響較大，一般隨著空隙率的增大，其抗剪強度減小；瀝青混合料均勻性與瀝青混合料抗剪強度絕對數值間沒有明顯的關聯，而與數值間的變異性有著很好的相關性。
  17. 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。
  18. The research result of insect community development indicate : the differences to quantity and richness of pest, natural enemy and whole insect community among experiment sections are distinct. the dynamic uptrend of diversity and evenness indexes between harmless section and general section are analogical, but that of blank section and two manage sections is different

    昆蟲群落動態研究結果表明：各試驗區間害蟲、天敵及整個昆蟲群落的數量與豐富度差異明顯，無公害區與常規區各群落多樣性指數、均勻性指數動態變化趨勢一致，空白區與兩處理區多樣性指數、均勻性指數動態變化趨勢差異較大。
  19. It brought forward genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsymmetrical mutation based on researching widely the genetic algorithms " characteristics of varied coding modes, selection modes, crossover modes and mutation modes in allusion to genetic algorithms is difficult of multi - parameter coding and genetic operation ' s realization for wave impedances inversion

    針對遺傳演算法用於波阻抗反演涉及多參數編碼、以及對應遺傳操作不易實現的問題，在廣泛研究了遺傳演算法的各種編碼方式、及其對應的選擇方式、交叉方式以及變異方式特點的基礎上，提出了採用二進制字元串編碼、遺傳操作為最優保存策略選擇、多點交叉和非均勻變異的遺傳演算法。
  20. This paper brought forward global optimized wave impedances mixed inversion based on genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsymmetrical mutation based on researching widely the genetic algorithms ' characteristics of varied coding modes, selection modes, crossover modes and mutation modes in allusion to genetic algorithms is difficult of multi - parameter coding and genetic operation ' s realization for wave impedances inversion

    摘要針對遺傳演算法用於波阻抗反演涉及多參數編碼、以及對應遺傳操作不易實現的問題，在廣泛研究了遺傳演算法的各種編碼方式、及其對應的選擇方式、交叉方式以及變異方式特點的基礎上，提出了採用二進制字元串編碼、遺傳操作為最優保存策略選擇、多點交叉和非均勻變異的遺傳演算法，基於該演算法形成了全局尋優的波阻抗混合反演方法。
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