橢圓分佈 的英文怎麼說
中文拼音 [tuǒyuánfēnbù]
橢圓分佈
英文
elliptic distribution-
The observations showed that there were a lot of starch grains in the chloroplasts of alpine plants, and the starch grains were usually round or oval in shape arranged along the longitudinal axis of chloroplasts
結果發現，在所研究的5種高山植物葉綠體中，澱粉粒數量均較多，澱粉粒呈長橢圓形或圓形，沿葉綠體長軸分佈。On the ground of educative theory, this paper exposits connotation and characteristic of project - based learning and why we should also enforce project - based learning in high school. as far as substance of project - based learning and objective circumstance what it should have are concerned, it points out the practical ability. at last, based on that university physics education has relatively longer cycle, it proposes stage pattern for enforce project - based learning and give two concrete cases, which discuss capacitance of confocal oval - shaped stylar capacitor and potential distribution of charged conductor of surface being uniparted hyperboloid
本文在具體的教育理論指導下，闡述了研究性學習的內涵及特點；在大學物理中實施研究性學習的意義；以及就研究性學習的實質和所需具備的客觀條件而言，論述了研究性學習在高校中實施的可行性；並根據大學物理教育具有周期性相對較長和專業循序漸進的特點，提出了研究性學習的階段性模式，並給出了具體的實例，利用保角變換法討論了共焦橢圓柱形電容器電容及單葉雙曲面帶電導體的電位分佈。The aim of this study is to explore the concentrating effects of both the electric current density and the stresses in the plate due to the existence of the elliptic hole
其研究重心是定量計算橢圓孔對電流密度以及板內應力分佈在橢圓長軸端點處的集中效應。The tide and the tidal current in luoyuan bay can be known from the numerica model calculation
給出了同潮時線與等振幅線、潮流橢圓、最大潮流及不同時刻潮流場分佈。Distribution of charge and electric field on a conductive elliptic cylindrical
導體橢圓柱面的電荷及場強的分佈Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。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。By computing the between two resolution units, we can estimate terrain azimuthal slopes and derive estimate of terrain elevation. the terrain contour is determined uniquely by ay / from azimuth slop on range gates. american began to study p - sar three - dimensional images technology in 1990s
Schuler已經證明，對於一個均勻分佈場景， sar圖像上兩個相鄰分辨單元的極化橢圓方向角偏移量，與地形方位向坡度的對應關系是線性唯一的，地形方位向的傾斜度可以通過解唯一地被測定。The experimental result shows that the ksom method can cluster the data with non - spherical shapes such as annular shape, and the cluster precision can reach 99. 8864
實驗結果表明，核自組織映射聚類對于非橢圓型的類分佈數據，如環形數據，聚類正確率也能夠達到99 . 8864 % 。After validating the good agreement between simulated results and observed ones, the characteristics and the distribution rules of tides and tidal currents in the whole seas near to zhejiang are thoroughly analyzed, mainly based on the simulated results, combining with the observed conclusion. the co - tidal and co - range charts, co - current charts, types of tides and tidal currents, distribution of maximum possible tidal range and maximum possible tidal current, phenomenon of diurnal inequality, moving modes of tidal currents, tidal ellipses, distribution of tidal residual currents and the vertical structure of tidal currents and residual currents are investigated respectively. and thereout we draw a series of meaningful conclusions as follows, the main of these are : 1
在驗證模擬與實測符合良好的基礎上，本文以模擬計算結果為主，結合實測資料的分析結論，對整個浙江近海的潮汐、潮流特徵和分佈規律作了全面、深入的探討，分別對各主要分潮的潮汐同潮圖、潮流同潮圖、潮汐性質、潮流性質、最大可能潮差分佈、潮汐日不等現象、最大可能流速分佈、潮流的運動形式、潮流橢圓、余流分佈以及潮流和余流的垂向結構等進行了研究，並由此得到了一系列有意義的結論。Just like that the core patch which is not adjacent to water and hilly woods has the flat edge, near round shape, high trees diversity and abundant native trees, which can reduce the external disturb and protect the native trees. in addition, the matrix in the landscape is the patch that is flat, not adjacent to water and scatter woods has low fragmentation degree, smooth edge and near ellipse shape, which is adapted to matrix
如，非鄰水山地密林團聚分佈，邊界平滑，呈圓形，樹種多樣性指數高，當地物種豐富，這種格局能顯著降低外部干擾，保護主要當地物種，與核心斑塊的功能相適應；非鄰水平地疏林斑塊邊界平滑，近橢圓形，這種格局有利於分散干擾危險，與本底斑塊的功能相適應。The distribution of mean wind pressure is analyzed and compared with the distribution on similar structural surface. through summarizing the rules for wind direction affection on wind pressures distribution, the most dangerous wind directions are gotten
分析了平均風壓的分佈情況，並將其與相近結構表面的風壓分佈進行了比較；通過總結平均風壓隨風向角的變化規律，得出橢球面屋蓋和圓錐面幕墻最不利風向角。E + e - collisions is. better. to. be carried out in the full, phase space instead of in a restricted phase space. therefore, we can only use the method of omitting the first few points of the nfm to eliminate the influence of momentum conservation
存在一個轉變點，在這一點， e對撞產生的強子噴注內部的動力學起伏與軟強子碰撞的動力學起伏的行為類似，在橫平面呈圓形分佈，在淵平面呈橢圓分佈。From magnetic fields in pf coils of east expressed as elliptic integrals, the heat load of pf coils during plasma discharge is determined
摘要通過求解橢圓積分，計算了east極向場系統的磁場分佈，從而計算出極向場線圈在等離子體放電過程中的熱負荷。The tidal current characteristics, velocity ' s elliptic distribution of each layer, distribution of mean velocity of tidal current and characteristics of the residual current at the station are analyzed
分析了該站位的潮流特徵、各層潮流流速的橢圓分佈、潮平均流速分佈及其餘流特徵。When the laser frequency is larger than the atomic resonance frequency ( blue detuning ), the atoms will experience a repulsing force that will repulse the atoms to the minimum place of light field. this is the principle of atomic mirror or atomic guide and trap. in this thesis, we propose three novel mirrors to reflect atoms by using intensity gradient induced by a blue - detuned semi - gaussian laser beam, a blue - detuned semi - ellipse - gaussian laser beam and a blue - detuned semi - flattened - gaussian laser beam
本文提出了三種實現原子束反射的原子反射鏡的新方案： （ 1 ）半束蘭失諧高斯光束的原子反射鏡（ 2 ）半束蘭失諧橢圓高斯光束的原子反射鏡（ 3 ）半束蘭失諧平項高斯光束的原子反射鏡，詳細計算了上述反射鏡的衍射光場的空間分佈，並討論了運動原子在光場中所受的偶極力。As examples, heterogeneous anisotropic fractured rocks of which the autocorrelation functions of crack number density can be described as 2 - dimensional exponential ellipsoidal or gaussian function were simulated especially. the results show that : 1 ) the random distribution characters could be different for different elastic constants under the same random distribution of crack number density. 2 ) the exponential ellipsoidal heterogeneous anisotropic random fractured model could be a suitable model for the multi - scaled and self - similar heterogeneous media
模擬結果表明： 1 ）彈性常數的分佈特徵與裂紋數密度的分佈特徵不相同，並且裂紋數密度對不同的彈性常數有不同程度的影響； 2 ）指數橢圓型隨機裂縫模型適用於模擬具有多尺度、自相似的特性非均勻裂縫巖石； 3 ） gaussian型隨機裂縫模型適用於模擬單尺度、平滑的非均勻裂縫巖石。分享友人