有限全域 的英文怎麼說

中文拼音 [yǒuxiànquányù]
有限全域 英文
finite universe
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 全 : Ⅰ形容詞1 （完備; 齊全） complete 2 （整個） whole; entire; full; total Ⅱ副詞（完全; 都） entirely...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 有限 : limited; restricted; finite; a little; not much
  1. Jiangsu dongfang filers bag limited company president zhangzhirong sir rate all the employee appreciate social the public for long time of concern, support with love and esteem, wish and chinese and foreign business enterprise or businessman is in many realms joint venture cooperation, create the fine future together

    江蘇東方濾袋有限公司董事長張之榮先先率全體員工感謝社會各界長期以來的關心、支持和厚愛，願與中外企業及客商在多領域合資合作，攜手共創美好未來。
  2. When we sold our shares in chalco last fall, we said that we would continue to work on strategic initiatives together to improve our business ? both within china and across the globe

    去年秋天，當我們出售了在中國鋁業股份有限公司的持有股權，曾聲明我們將在中國業務及全球業務領域繼續進行一些戰略性合作。
  3. Technip tianchen chemical engineering ( tianjin ) co., ltd. ( tpt ) is a sino french joint venture between technip - coflexip ( a worldwide famous group in oil & gas and petro - chemical engineering field ) and china tianchen engineering corp., having been awarded grade a engineering design certificate by the ministry of construction, providing full engineering and design services for petro - chemistry, chemical industry and pharmaceutical industry

    德希尼布天辰化學工程（天津）有限公司（ tpt ）是德希尼布（化工領域世界知名集團）與中國天辰工程公司共同成立的合資公司，具有中國建設部頒發的甲級工程設計資質，提供石油化工、化工、醫藥領域全方位的工程和設計服務。
  4. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程，文中發展了求解的高效數值方法:引進法向變換，使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式，這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式，大大加速收斂並得到更精確的特徵值。
  5. In this paper, the state of the art of the engineering controlled explosion and the finite element method ( fem ) are reviewed. in order to analyze and simulate the demolishment of frame - structured buildings due to controlled blasting, the method of killing or activating elements, a high level technique in fem, and the special element - solid65 are introduced to the blasting field first in china by the author

    本文回顧和總結了工程式控制制爆破和有限單元法的發展歷史及其研究現狀，在國內首次把單元生死法這一有限元高級處理技術和ansys軟體中特有的solid65單元引入到爆破拆除工程領域，用其進行框架結構樓房爆破拆除的計算機模擬，探討了構件在完全破壞前的應力、應變、裂縫生成和塑性鉸形成位置。
  6. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  7. But this universe wavelet fem displays its superiority only in regulation figure fields. through the processing of solving beam, plate and shell in structure must transit generalized variational principle respective, so the commonality is difference. the displacement functions in usually fem are constructed with wavelet functions, then the form functions expression with wavelet functions

    但是這種全域的小波有限元方法僅在具有規則形狀的區域內求解時才能顯示出它的優越性;同時，通過它對結構中的梁、板、殼的求解過程可以看出，都是要通過各自的廣義變分原理刁
  8. In order to solve the default of the limited valid scope and discontinuity characteristic, introducing the state continuous conversion gene based on establishment of respective mathematics model for low and magnitude current scope, and integrate with them reasonably then having established the mathematics model of suitable whole scope and having solved present mathematics model existent problems

    本文針對目前電弧爐負載數學模型存在的適用范圍有限、特性不連續等缺點，在建立了分別適合大、小電流區域運行特性的數學模型的基礎上，引入狀態連續轉換因子，將分別適合大、小電流區域運行特性的數學模型有機結合為一個整體，建立了適合全范圍的數學模型，解決了目前數學模型存在的問題。
  9. Headquartered in the uk, hyder consulting limited is a leading provider of engineering, management and environmental consultancy services for infrastructure and property initiatives worldwide

    總部位於英國的安誠工程顧問有限公司是一家在基礎設施和地產領域提供工程、管理與環境咨詢服務的全球性咨詢公司。
  10. Though adopting the - coordinate transformation in the control equations and mode - splitting technique, the external mode ( surface gravity waves ) is solved by the improved double - sweep - implicit finite difference method ; the internal mode ( internal gravity waves ) untilizes the eulerian - lagrangian method, which improves the implicit - difference scheme for the vertical direction. the newly developed 3d numerical tidal model with implicit scheme has been successfully applied in the radial sandbanks area

    基於過程分裂法及垂向坐標伸縮變換，外模式採用改進型雙步全隱有限差分dsi法，內模式採用歐拉?拉格朗日公式，改進了三維垂向隱式格式，成功地建立了南黃海輻射狀沙脊群海域三維全隱格式潮流數學模型。
  11. Shanghai nail electric equipment co, ltd. it is a professional corporation incorporates designing and developing automation engineering complete sets of control cabinets, and automation products trade into an organic whole. besides shanghai, " chengdu eurotherm electric drive equipment co, ltd. " with independent accountability has been officially established in chengdu. with 70 % of the staff having the professional ranks, the company possesses a powerful technical force. we deal in a full range of automation products. with the development of shanghai nail electric equipment co, ltd, we have gained the recognition and support of many well _ known international industrial factories. we enjoyed a very good reputation and credit standing in the field of industrial automation control both home and abroad

    上海南安機電設備有限公司是一家集研製開發自動化工程成套電器控制櫃及自動化產品銷售為一體的專業公司，已在成都正式成立了獨立核算的成都歐陸電氣傳動設備有限公司.公司70 %員工擁有技術職稱，技術力量雄厚，銷售產品齊全，在發展過程中博得了多家國際知名工控廠家的重視與支持，在工業自動化控制領域有著較高的品牌形象與良好的信譽
  12. Nonlinear model based predictive control ( nmpc ) not only is a valuable approach for solving practical control problems, but also is the frontier of nonlinear control theory. the perceptible successes of mpc strategies can be attributed to several factors including its inherent ability to handle input and output constraints, time delay and incorporation of an explicit model of the plant into the optimization problem. this dissertation discusses two kinds of nonlinearity ( or nonlinear system )

    本文沿著理論研究與工程實際相結合的設計思路，較為系統和全面的研究了非線性模型預測控制理論，提出改進新演算法；探討了非線性模型預測控制理論在自主水下航行器控制系統設計中的應用，豐富和發展了模型預測控制理論，本論文的主要工作及意義有以下幾個方面： 1 ）從工程應用的角度研究有限域無終端約束廣義預測控制穩定性充分條件，為有約束廣義預測控制穩定性研究奠定了基礎。
  13. The socialist market economy has taken shape initially. but there still many problems existed in the banking realm. for example its financial source is limited, its financial equipment is not fully developed, its financial organizations are not fully functional or efficient

    中國正處于經濟體制轉型期，金融資源有限，金融領域還存在裝備落後、機構臃腫、辦事效率低，監管水平、監管制度、法制建設還不能完全適應對外開放需要等問題。
  14. Senyun corporation is specialized in the designing and manufacturing of precision molds and the injection molding of plastic products. we produce the parts and molds for customers and also for our own usage. such as ejector pins, core, cavities, and mold plates. today, we effectuate a mold and injection molding with efficient method in our company

    聲遠實業股份有限公司在模具零配件的領域內一直處于領導地位，聲遠專精於精密塑膠模具設計與製造，我們能夠于自己工廠內製造模具所需的所有零配件，例如：頂針，灌嘴，公母模仁，與模板之車，銑加工及研磨，放電，線切割加工等等，全部于本廠采一貫化流程分工製造
  15. Beijing ] code number with the area code technology development limited is the professionalization of the domestic companies, company headquartered in beijing ' s zhongguancun high - tech park, has established a nationwide network of marketing services and technical support system to provide advanced software products and the whole range of information technology solutions to the enterprise

    北京佳碼數通科技發展有限公司是國內條形碼領域的專業化公司，公司總部設在北京中關村高科技園區，目前已經建立了覆蓋全國的營銷服務網路和技術支持體系，可為客戶提供先進的條形碼全系列產品和企業信息化解決方案。
  16. Cosco europe gmbh is the area control center for cosco business in europe countries, west africa countries and north africa countries

    中遠歐洲有限公司作為中遠在歐洲的區域管理公司，管轄區域包括歐洲全部地中海及黑海沿岸地區以及西非各國。
  17. Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved

    6公里的雪峰山隧道工程，首先介紹了隧道支護結構的常用分析計算方法；然後通過對隧道施工過程中，洞室穩定性與支護結構相互作用機理的深入分析，建立了隧道施工過程的空間計算模型，提出了採用三維彈塑性有限元-無限元耦合的數值計算方法，綜合分析了隧道在不同圍巖特性和圍巖類別條件下，以及不同施工開挖方案等對隧道圍巖整體穩定和安全性的影響，從而解決了通用有限元方法難以解決的隧道三維無限域問題；其可充分發揮有限元法在分析非線性方面的有效性和成熟性，以及無限元法在分析處理無限域和半無限域方面的精確性和簡便性，為隧道施工過程中圍巖的穩定性分析開辟了一條新的途徑。
  18. Following the configuration of mm5, the system consists of triple - nested grids with the resolutions 135km, 45km and 15 km respectively, and it utilizes 23 vertical full - sigma ( o ) levels

    沿用mm5v3 . 4的模式設計，湖南省有限區域數值天氣預報系統在垂直方向上是23層完全的坐標，水平方向上是三重嵌套網格，解析度分別為135km 、 45km和15km 。
  19. The limited - region model consists of two components - a low - resolution global model and high - resolution regional model

    有限區域模式設計為兩部分，低解析度全球模式和高解析度區域模式。
  20. Based on the simulation method of finite difference time domain ( fdtd ) ( together with the boundary treatment of an anisotropic perfect matched layer of absorbing media for the truncation of fdtd lattices ) and the theory of ordinary antennas, antennas based on photonic bandgap ( pbg ) materials and meta - materials are studied in the present dissertation

    在開展有限時域差分法（結合各向異性完全匹配層邊界）演算法研究和普通天線模擬設計研究的工作基礎上，本論文主要進行了基於光子晶體（ pbg ）與異向介質的新型天線的研究。
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