空間流形 的英文怎麼說
中文拼音 [kōngjiānliúxíng]
空間流形
英文
space manifold-
The common character is to change the solid interspace shape of surface soil to build the rainwater converge section ( afflux section ) and crop planting section and force the runoff of converge section flow to crop planting section together with the runoff of crop plant section for crop use
共同的特點是改變地表空間立體微地形下墊面建設匯流區（也叫集流區）和作物種植區，將匯流區的雨水徑流疊加匯集到種植區進行利用，既利用匯流區的來水，又利用集流區的雨水。Based on studying of the unequal rainfall in space - time and the asymmetry physical geography parameters in space, which can influence the process of the runoff, this paper puts forward a sort of slope conflux and watercourse conflux simulating model based on grid, and that gains flux at random time and grid in basin
本模型針對降雨時空分佈不均勻與下墊面自然地理參數空間分佈不均勻，對產匯流形成過程的影響，提出了一種基於柵格的坡面產匯流與河道匯流的數值模擬模型。The spatial condition and both the technical and economic feasibilities for the layout of the light - court for the auxiliary powerhouse under the condition of higher fluctuation of the flood level downstream is basically analyzed ; in which the principles of the layout and both the spatial dimension and configuration are discussed, and then a actual design case is given with the preliminary evaluation on the ventilating and lighting effect of the light - court
初步分析了下游洪水位變幅較大等環境條件下，貫流式水電站副廠房設置自然通風採光天井的空間條件及其技術性和經濟性，討論了天井布置原則和空間尺度與形態處理，給出設計實例並初步評價了天井通風採光的效果。Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。An arbitrary shaped line current on a horizontal plane is divided into many small line segments and approximated by hertzian diploes, then both the near and far em - field of the line curennt is approximated by the summation of the complete near and far fields of hertz dipoles
水平面上任意形狀線電流分割為許多小段之電流，每一小段之電流近似為赫芝偶極，則在三度空間任意座標平面上無論遠近之電磁場即可以赫芝偶極之遠近完整電磁場加總合成近似之。In the dissertation, the author firstly gave a systematical retrospect on two heterodox paradigms which are very promising to challenge the mainstream neo - classical paradigm, namely, darwin - veblen paradigm describing cumulative and massive evolutions of society, and information paradigm describing the nuances amongst microstructures. secondly, the author went on from the start - point where information space theory ( boisot, 1995 ) stopped, explored the possibility of the establishment of a brand - new framework embracing the two paradigms, which could give a solid foundation to models of institution expansion and institution evolution, and the author did build two such models, not through constructive methods, but through simulative methods, thus, the modeling crisis of institutional economics was solved, or at least released
文章先系統回顧了可能對主流經濟學形成挑戰的兩個經濟學分析範式：描繪群體演進的達爾文-范勃倫範式和描繪個體微觀差異的信息範式；繼而，以信息空間理論為起點，探索了打通兩個範式的可能，從而建立起能有效描繪宏觀制度擴展和制度演進的信息經濟學基礎，並籍以建立起兩個模擬性模型，以對歷來被視為無法模型化的制度和制度變遷進行了形式化的描述。As gas pools, it turns into stars, whose outflows and explosions push material back out into intergalactic space ? a process of negative feedback
當氣體集中形成恆星，所產生的噴流與爆炸會將物質向外推回星系際空間，這是一種負向的反饋機制。In my opinion, the strategy of pera ' s rhetoric of science aims to, through the rhetorical context, save and rebuild the rationality and achieve the inner unity of rational reason and rhetorical persuasion and breaks thoroughly the rigid bounds both between the logical demonstration and the argumentative persuasion and between the static norms and the dynamic exchange evaluation. at the same time, it also provides a way in which some dilemmas such as formal logical presuppositions and irrationalism can be solved, gives the specific strategically psychological direction and much broader room for language creation to bring a fresh motive power for the development of contemporary philosophy of science
本文認為，佩拉所倡導的科學修辭學戰略的目的在於，通過修辭學語境空間來拯救或重塑理性，以達到理性的「理由」和修辭學的「有理由」的內在統一，從而徹底打破邏輯證明力與論述說服力、靜態規范標準和動態交流評價之間的僵化界限；同時，也為走出形式邏輯的預設和非理性主義困境提供了一條出路，並從科學論述的境遇、選擇、辯護中，給出戰略性的心理定向和更廣闊的語言創造的可能空間，為當代科學哲學的發展注入新的活力。As a result, in the paper, considering the altitudinal effect ( topography factor ) and the influence on the temperature lapse rate by topography and latitude and longitude and moisture transfer, the study on the daily surface air mean, max and min temperature in the reaches of yangtze rive is attempted by five models, which include the gaussian weighted model, the gaussian weighted model associated with the error - modification, the gradient plus inverse distance squared model and the modified gaussian weighted model a and b that take topography - factor into account
本文考慮海拔高度和溫度直減率受地形和經、緯度及水汽等因素的影響，通過利用高斯權重法、結合逐步訂正的高斯權重法、梯度距離權重反比法和加入地形影響項（地形因子）的兩種改進高斯權重法的方案a 、 b ，對長江流域的地面日平均、最高和最低氣溫場進行了空間化插值研究。This paper deals with the regular curves in a riemannian manifold with constant sectional curvature and the affine starlike curves in r2, r3 and r4
本文研究了具有常截面曲率的黎曼流形中的正則曲線及二、三、四維空間中的仿射星形曲線。Doctors said they delivered baby timothy by caesarean section eight weeks before due date in order to protect the mother ' s fragile health her tiny, distorted body left little room for a fetus to grow
瓦斯凱瘦小而扭曲的體形無法給胎兒以足夠的生長空間，因此在她生下蒂莫西的前幾年曾兩次流產。Compact maximal spacelike submanifolds in a de sitter space
空間中的緊致極大類空子流形Create attractive urban spaces centering on the sumidagawa river asakusa and ryogoku area, the small rivers in the koto delta area and the canals by introducing bustling activity to the waterfront, forming a lovely waterscape, and promoting improvements in transportation access and the water environment
創造水邊地區的繁華氣氛，以隅田川淺草和?國地區江東內部河流和運河為中心建立有吸引力的城市空間，形成美麗的水邊景區，同時促進水上運輸和水環境的改善。The exchange of material, energy and information occurs in any system ( ecosystem, natural system, process system, social system, market system ) of the world, generating material flow, energy flow and information flow both in time and space
摘要任何一個系統（生態的、自然的、生產過程、社會的、市場的）在其內部各個環節之間及與外部環境之間都在不斷地進行著物質、能量和信息的交換，在時間和空間上形成物質流、能量流和信息流。According to the field synergy principle, this paper describes how material flow, energy flow and information flow affect and depend on each other, and indicates that the study on the synergy among material flow, material flow and information flow could achieve harmonious interaction, so as to form an optimum ordered structure both in time and space
本文主要根據協同學原理，描述物質流、能量流和信息流是如何相互影響和相互依存的，並進一步指出通過對物質流、能量流與信息流協同的研究，可以實現三者之間的協調配合，以在時間和空間上形成一種最佳的有序結構。After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves
在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益In order to improve oil displacement efficiency of infusing agents and precisely to predict the three dimensional distribution about residual oil, taking the sand body of p 2 individual meandering river - channel in putaohuareservior of daqing oilfield as an example, by analyzing the thin interbeds and vertical permeability discrepancy, this paper brings forward the space configuration of the thin interbeds in single sand body, the vertical permeability distribution and gravitational differentiation which control the distribution of residual oil and the vertical multisection model of displacement efficiency in the condition of excluding exploitation factors and identical single sand - body,
摘要為了進一步提高注入劑驅油效率以及準確預測儲層中剩餘油在三維空間的分佈，以大慶油田葡萄花油層組p 2小層曲流河道砂體為例，通過對曲流河道砂體內部薄夾層構形及滲透率垂向分佈的差異性分析，在排除開發因素差異的同井單砂體分析條件下，提出了單砂體內部薄夾層空間構形、滲透率垂向序列與重力因素共同控制剩餘油分佈、驅油效率多段垂向序列模式。This paper contains three chapters. we discuss the pinching problems on the length of the second fundamental form of compact space - like submanifolds mn with unit parallel mean curvature vector in the de sitter space spn + p. in particular, a sufficient condition for mn with constant scalar curvature to be totally umbilical is given
討論desitter空間s _ p ~ （ n + p ）中具有平行的單位平均曲率向量的緊致類空子流形m ~ n的第二基本形式長度拼擠問題，給出了具有常數量曲率的這種子流形是全臍球面的一個充分條件。To build a courtyard aims at promoting the communication among people and emphasizing people " interactions with environment as well ， which is the thesis " main points. on today ' s informational epoch ， with the change of university educational ideal ， the form of outside space no longer simply belong to the function division ， but also to the area of people ' perceive. it is necessary to meet the space user ' needs and same time to pay attention to the communication between people and environment
在當今信息時代，隨著大學教育理念的轉變，對校園外部空間環境提出了更高的要求，外部空間的形成已不再是單純意義上的功能劃分，而提高到人的認知層次上來，由此，滿足空間使用者的要求，注重人與人之間的交流、人與環境的溝通成為必然。Intense luminous discharge formed by the passage of electric current across a space between electrodes
電流流經兩個電極間的空間所形成的高強度發光放電。分享友人