群流形 的英文怎麼說

中文拼音 [qúnliúxíng]
群流形 英文
group manifold
  • 群 : Ⅰ名詞（聚在一起的人或物） crowd; group Ⅱ量詞（用於成群的人或物） group; herd; flock
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  1. Using the hulscher model of the formation of sand waves and sandbanks, under the ancient bathymetry, or under the modern bathymetry, the stokes number of the tidal flow and resistance parameter in the radial sandbanks satisfy the conditions for the formation of sandbanks. the research demonstrates that the dynamic flow conditions result in the development of tidal current sandbank. the radial sandbanks and it ' s asymmetrical distributions will still maintain in the future

    應用hulscher沙波及沙脊增長模式，通過對該海域斯托克斯數及底部阻力參數的計算首次發現，南黃海輻射沙脊群海域在概化古地形和現代輻射狀沙脊群水下地形情況下，其斯托克斯數及底部阻力參數均滿足形成潮流沙脊的條件。
  2. The natural bornite has stains and spots on the surface, showing a beautiful picture against a golden yellow background. yunnan tea is finely made, good in quality, and has a good assrtmnent. popular products include dianhong, dianliu, puercha, tuocha and qizhibing. the city of spring plants many varieties of flowers all the year round. now total number amounts to 400

    在雲南民族村裡，吉祥的傣寨白塔，壯觀的白族大理三塔，高聳的彝族圖騰柱，源遠流長的納西東巴文化，佤族的木鼓布朗族的婚俗基諾族的太陽鼓拉祜族的蘆笙舞奇特的摩梭人母系社會形態驚險的傈傈族上必杜活動以及風趣的亞洲群象表演，精美獨特的民族風味美食，會令您陶醉其中，流連忘返。
  3. Having soochow industrial park as a case, this study made an inquiring investigation and calling talk to some white collar working in the park. from the sight of the white collar, based on the investigation data, this study analyze the affect factors to white collar ' s position obtaining, meanwhile, analyze the current condition of the industrial white collar ' s mobility, including the ways of searching chance, cause and result of mobility, and obstacle of mobility. beside it, this study discussed the industrial white collar ' s mobility mode and the trend of polarization

    本研究以蘇州工業園區為個案，以企業白領為研究的視角，運用問卷調查和訪談相結合的方法，對企業白領群體的形成以及企業白領的地位獲得進行了分析；具體分析了企業白領的流動情況，包括企業白領尋找流動機會的途徑、流動的原因、流動的結果、流動過程中存在的障礙和問題等；同時探討了企業白領的流動模式與企業白領分化的趨勢。
  4. 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。
  5. Hierarchical similarity in an inhomogeneous turbulent wake

    矩形柱群非均勻湍尾流中的層次相似律
  6. Discreteness criteria for subgroups of isometry group of pinched hadamard manifold

    流形上等距子群的離散準則
  7. Most of the meteoroids of the leonid meteor stream concentrate in an elongated thin ribbon - like region. the stream orbits around the sun in an elliptical orbit with a period of about 33 years

    獅子座流星群聚集於一條狹長的區域內，以極為橢圓形的軌道環繞太陽運行，周期約為
  8. Recently, the public has focused its concern on expanding educational opportunities for aboriginal peoples. although the educational achievements of aborigines have, since taiwan s retrocession in 1945, been steadily improving, other ethnic groups have made even greater progress. in the initial stages, the educational levels of aborigines showed signs of growth due to expansion in the educational structure ; however, in later stages this progress began to slip

    因為光復以來，原住民的教育成就雖然也有向上提升的趨勢，但是其他族群提升的幅度卻更大，並且原住民教育程度之向上流動的情形，復有隨教育結構的擴張而出現先大后小的跡象，以致目前的人口中，仍以中學以下程度者居多，依賴體力勞動為生。
  9. In agriculture, the " da yue jin " movement includes the great upsurge in production construction, the form implements innovation, the deep ploughing and intensive cultivation, the boast of high yield and the origin of the people ' s commun. in industry, the " da yue jin " movement emphasizes the importance of steal and iron, which requires all the people participate in the stealmaking activity enthusiastically and the collection of disposed steal and iron. in education, the " da yue jin " movement consists of the illiteracy elimination, the combination of study and work, the promotion of the sparetime education and the education reform

    本文首先論述了「大躍進」運動前夕國際國內以及西安市的形勢，接著主要從群眾性的生產建設熱潮、農具改革、深耕密植、大放高產衛星以及人民公社的誕生等方面詳述了西安市農業「大躍進」的情況；在工業「大躍進」中，則論述了鋼鐵元帥開帳、全民大煉鋼鐵運動、大力收集廢鋼鐵、勞動力的流動等問題；教育「大躍進」 ，則從大力開展掃盲、學習和生產勞動相結合、 「兩條腿走路」大辦業余教育、教學改革四方面展開論述；商業「大躍進」 ，是分別從學習天橋經驗、支授工農業「大躍進」 、技術革命等方面進行了闡述。
  10. It belongs to dczg - h pattern, which is common in alpine heath and dominates the community. it could be found in the baitou mt. yangyuchang upper nanyao of the lashihai region

    屬于滇西北、川西、藏南及藏東南、甘肅南部橫斷山區特有分佈型（ dczg - h ） 。高山礫石杜鵑灌叢中常見，常常形成以其占優勢的群落。流域內洋芋廠白頭山一帶較多。
  11. In the part of orbit control, the main ideas in study is to define the nonlinear control system on a riemann manifold from the global viewpoint, and to build the intimate relation between the geometrical structure of state space and the state equation of nonlinear control system ; in the part of attitude control, the main ideas in study is to deduce mathematical model with good character based on global differential geometry ideas as well as li group and li algebra, moreover, to design corresponding control schemes

    在軌道控制部分，研究的主要思想是從整體化的觀點出發定義一種建立在riemann流形上的非線性控制系統，將狀態空間的幾何結構與控制系統的狀態方程建立直接的聯系。在姿態控制部分，研究的主要思想是以整體微分幾何方法為工具，以李群與李代數等數學理論為基礎，從數學角度建立具有良好性能的數學模型，並設計出相應的控制方法。
  12. Socket axe is one of the most representative wares of bronze ages in northeast china. this is not only because of its longtime lasting, but also its pattern differing in each area, which hints cultural pedigrees and human ’ s mobility

    直銎銅斧是中國東北地區青銅時代文化具有代表性的器物之一，不僅延續時間較長，而且不同區域出現的形制也有所不同，暗示著文化譜系和人群流動的意義。
  13. The tidal current in the radial sandbanks area apparently has directional to - and - fro movement, which can be observed not only from tidal ellipses, but also from water particle traces. the calculated distribution of tidal velocity in this area shows that the average velocity is around 0. 6 to 1. 0 m / s

    平面潮流橢圓、水質點跡線、潮流流速特徵研究表明，輻射狀沙脊群海域潮流具有明顯的定嚮往復流形式，平均潮流流速一般為0 . 6 1 . 0m s ，滿足形成潮流沙脊的水動力條件。
  14. During and after song dynasty, as traffic and resources and other factors limit the economy development, xingdan economy, which was composed of mobile small retailers and craftsmen and men of carrying a load with a pole, became an chief feature for regional economy development, and in course of transferring from traditional agricultural economy to modern industrial economy, it has been playing an important role

    自宋代以來，金衢地區由於交通和資源等因素的限制，以肩挑和流動經營為特徵的各種小商販、小手工業者和挑夫群體形成的行擔經濟成為整個金衢地區經濟發展的主要特徵，並且在傳統農業經濟向現代化工業經濟轉換中，行擔經濟也扮演著重要作用。
  15. Its content may be separated into two parts. the first part contains chapter one and chapter two, which treat of the harmonic maps from surface into symplectic groups and quaternion grassmann manifolds. the second part contains chapter three and chapter four, which treat of local isometric immersions from space forms or riemannian products of space forms into space forms

    全文分四章，內容可分為兩部分：第一部分包括第一、二章，主要論涉從曲面到辛群及四元grassmann流形的調和映射；第二部分包括第三、四章，主要論涉從空間形式或空間形式的局部riemann積到空間形式的局部等距浸入。
  16. The text however develops basic riemannian geometry, complex manifolds, as well as a detailed theory of semisimple lie groups and symmetric spaces

    然而課程還將簡單介紹了基本的黎曼幾何和復流形的知識，並會詳細討論半單李群和對稱空間的理論。
  17. In this paper, the authors give the globally classfication of the maximal totally geodesic submanifolds with maximal rank of normal riemannian symmetric spaces by computing the fundamental group

    摘要通過計算全測地子流形的基本群，確定了緊正規黎曼對稱空間的極大的極大秩全測地子流形的整體分類。
  18. M. m. nessibi and k. trimeche studied the theory of generalized wavelet transform on the underlying manifold of square integrable radial functions space on the heisen - berg group hn. they constructed an inversion formula of the radon transform on the underlying manifold by means of generalized wavelet

    M . m . nessibi和k . trim che研究了海森堡群h _ n上平方可積徑向函數空間，在其基礎流形上建立了廣義小波變換理論；並利用所引進的廣義小波，得到radon變換在該空間上的一個逆公式
  19. In chapter two, we first give the condition of generalized wavelets on l2 ( x ) by using the gelfand transform, where x = r + r denotes the underlying manifold of square integrable polyradial functions on the heisenberg group hn. then, we establish the theory of generalized wavelet transform and generalized wavelet packet transform on it

    在第二章中，我們利用gelfand變換刻畫了海森堡群h _ n上平方可積柱徑向函數空間的基礎流形laguerre超群x = r _ + ~ n r上的廣義小波，討論了該超群上的廣義小波變換與廣義小波包變換
  20. The text for this class is differential geometry, lie groups and symmetric spaces by sigurdur helgason ( american mathematical society, 2001 )

    然而課程還將簡單介紹了基本的黎曼幾何和復流形的知識，並會詳細討論半單李群和對稱空間的理論。
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