無理數論 的英文怎麼說

中文拼音 [wúlǐshǔlún]
無理數論 英文
theory of irrational numbers
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 無理 : unreasonable; unjustifiable
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. On the basis of expound the theory of building exterior - protected construction energy consumption and the gene of influence the building energy, set up mathematics model, this article discuss the mechanism of dispelling the heat of the buildings " thermal bridge and the complication that influence it, and then synthetic analysis and calculate the influence range of building thermal bridge in exterior - protected construction column thermal bridge to the building outer wall get the conclusion that when the construction column can satisfy the building stress - area, in bulgy construction column dispel less heating than out bulgy construction column. but if the pole stuck out more than 100mm, in bulgy or out bulgy make no difference

    本文在闡述建築圍護結構耗熱原理以及影響建築能耗因子的基礎上，採用數值模擬方法，探討了建築熱橋傳熱的基本機理和影響建築熱橋傳熱的因素，進而對建築熱橋在圍護結構傳熱中的影響范圍進行了綜合分析和計算，研究了構造柱熱橋型式對建築外墻能耗的影響，得出了構造柱在滿足建築受力面積要求的情況下，內凸構造柱較外凸構造柱略能減少散熱量的結論，但是凸出過大（ 100mm ）無論內凸還是外凸對建築耗熱都沒有大的差別。
  3. For the delay - independent stability, necessary and sufficient algebraic criteria have been obtained in terms of characteristic functions. the key of the criteria is to verify that a polynomial has no nonzero real roots

    對時滯無關穩定性，以特徵函數為工具，獲得了充要代數準則，其核心是判定多項式方程無實根，這一問題由廣義sturm理論解決。
  4. According to the analysis and comparison for existing wireless data traffics, a wireless bonding mode is adopted to realize mobile ticketing. the thesis also researches the safety issue on railway wireless ticketing system and put forwards the corresponsive solution. a series of safety techniques, for example data encryption, are adopted to ensure the safety of transaction between the wireless ticketing terminal and railway ticketing system

    本論文圍繞無線接入技術展開討論，通過對現有無線數據業務的分析比較，確定無線接入方式，實現移動方式的鐵路售票系統；研究鐵路無線售票系統所面臨的安全問題並提出相應的解決方案，在軟硬體結構設計中採用了一系列安全技術，並輔以科學的管理方法，使無線售票系統具備一定的安全防護能力。
  5. The a - darter will still notionally equip saaf gripens, but a long - awaited series of initial flight tests have yet to occur and the future of the programme is in doubt

    A -標槍手理論上將裝備南非空軍的鷹獅戰斗機，但是被期待已久的首飛測試仍然是遙遙無期，整個項目的未來仍充滿變數。
  6. In recent years, research on learning activities has prevailed the world and found its way in some front subjects, however much of its production has not been introduced to the pedagogic study and practice. problems stand out in that there is low learning efficiency in study of students at large and the pattern of the course design, teaching approach, and education evaluation method are comparatively demoded with the coming of the information age, historic changes in both life style and learning style are highlighted

    近幾年來，對人類學習活動的研究雖然已經發展成為當今世界多學科交叉的前沿課題，但多數研究成果尚未引入教育理論與實踐中來，教育行政部門、學校和教師幾乎沒有考慮如何通過培養來提高學生的學習能力，致使目前學習方式與課程、教學、教育評價模式都比較落後，學生學習效率普遍比較低，無法適應時代的要求，這種狀況在我國表現得很突出。
  7. The ultrastructure of the hepatocyte in bufo bufo gargarizans cantor between pro - hibernation and initial post - hi be rnation was studied in this paper. the results show that : 1. the hepatocytes in pro - hibernation period have very plenty of glycogen granules, but nearly not glycog en granules in post - hibernation period ; 2. the hepatocytes in pro - hibernation peri od have very developed rough endoplasmic reticulum, but a few scattered dilatant rough endoplasmic reticula in post - hibernation period ; 3. the quantity of mitocho ndria, and the structure of nuclei and bile canaliculi in pro - hibernation period have not obvious difference from that in post - hibernation period ; 4. two types o f hepatocytes in pro - hibernation were found. the significance of the results men tioned above is also discussed

    冬眠前和出眠初期的中華大蟾蜍肝細胞的超微結構有如下特點： （ 1 ）冬眠前肝細胞堆積有大量糖元顆粒，而出眠初期幾乎無糖元顆粒； （ 2 ）冬眠前肝細胞的粗面內質網非常發達，而出眠初期的粗面內質網不發達，常呈零散膨大； （ 3 ）線粒體的數量，細胞核和膽小管的形態結構在這兩個時期無明顯差異； （ 4 ）冬眠前肝細胞可分為兩種不同的類型.對上述結果的生理意義作了討論
  8. Characteristics of heat balance parameters of arctic ocean drifting ice and open sea are presented based on the profile - flux method and the data obtained by the first chinese national arctic research expedition during aug. 19 24, 1999

    利用中國首次北極考察隊於1999年8月19日24日在北冰洋浮冰區獲得的大氣近地層垂直廓線和輻射等資料，依據相似理論方法，對比分析了北冰洋無冰海面和冰面上熱平衡參數的變化特徵。
  9. ( 4 ) the hugoniot of the mixture of mgo ( mw ) and sio2 ( st ) were calculated by the additire principle of hugoniot for mixture, and compared with the experimental hugoniot of enstatite. the results shows that there exists large difference between both d - u relationship and p - n curve for the two hugoniot

    516u （ 4 ）用混合物hugongiot線的疊加性原理計算了mgo （ mw ）和引。 （ st ）混合體系的hugongiot線，經過與頑火輝石實驗hugongiot數據對比，無論是從心關系還是從一產關繫上看兩者均有較大差距。
  10. We present a power control solution for wireless data in the analytical setting of a game theoretic framework

    本文在博弈論的理論框架中對寬帶cdma系統無線數據業務的功率控制問題進行了研究。
  11. Chemistry is a central science with physics, mathematics and earth science on one side and the life science, and medicine on the other. traditionally, chemistry encompasses five major areas : analytical chemistry, inorganic chemistry, organic chemistry, physical chemistry and theoretical chemistry

    化學是一門中心科學，在它的一邊有物理、數學和地球科學，而另一邊則是生命科學和醫學。傳統上化學有五個主要部分，分別是分析化學、無機化學、有機化學、物理化學和理論化學。
  12. The advantage of this algorithm is that the obtained solution can be used in future needed for its rational form

    其意義在於，計算過程中用到的都是有理數，是無誤差的，可以用於進一步的論證。
  13. Abstract : in this paper, we consider a class of irrational rumber which can be approximated by rational number at most exponental order ， applications are given in partial differential equation and dynamical systems

    文摘:文中考慮一類最多可以指數地有理逼近的無理數，並指出它們自然地存在於偏微分方程解析理論及動力系統中
  14. The aim of this paper is to propose a new method that is creatively based on the character of irrational number, the digital have no limit and no period. this article research some algorithms such as expending the irrational number to the arbitrary figure, initialing data and generating random number

    本文提出了一種新的產生隨機數的方法，創造性的運用無理數數字無限不循環的特性，論文研究涉及將無理數展開到任意位、通過計算機位數決定數據范圍並分組初始化數據、生成隨機數等主要演算法，主要用c和vb語言實現。
  15. The paper is concerned with periodic solutions to nonautonomous second order hamilton systems where, m : [ 0, t ] - s ( rn, rn ) is a continuous mapping in the space s ( rn, rn ) of symmetric real ( n x n ) - matrices, such that for some u > 0 and all ( t, z ) [ 0, t ] x rn, ( m ( t ) x, x ) > u | x | 2. a s ( rn, rn ), f : [ 0, t ] x rn r is continuous and f : [ 0, t ] xr r exists, is continuous and we study the existence of periodic solutions of the systems by using ekeland variational principle and the saddle points theorem. we suppose that the nonlinearity vf and potential f belongs to a class of unbounded functional. our work improves the existed results. we obtained the results of multiplicity of periodic solutions of the systems by using lusternik - schnirelman category theory and the generalized saddle points theorem, and the functional does not need the condition of constant definite. at last, we obtained the existence of infinity many distinct periodic solutions of the corresponding non - perturbation systems by using the symmetric mountain pass theorem

    （ ? ， ? ）為r ~ n中內積， | ? |為對應范數。 f [ 0 ， t ] r ~ n r連續， ? f （ t ， x ）存在且連續， h l ~ 1 （ 0 ， t ； r ~ n ） 。利用ekeland變分原理和鞍點定理討論了該系統周期解的存在性，把非線性項和位勢函數放寬到一類無界函數，推廣了這方面工作的一些已有結果；利用廣義鞍點定理和lusternik - schnirelman疇數理論得到了該系統的多重周期解，取掉了泛函的常定要求；最後利用對稱山路定理得到沒有擾動時系統的無窮多周期解。
  16. Second, on this basis it goes on to dissect the predicament that under the traditional economic mode enterprises may face while they bear the environmental responsibility. the author holds the opinion that : on one hand, the existing problems of the suppose of the enterprises ’ “ economic man ” and “ social man ” in traditional theory make most enterprises positive in bearing the environmental responsibility ; influenced by the valueless theory of environmental resources and the traditional enterprises ’ “ human nature ” theory, the value orientation of the environmental responsibility of enterprises ’ legalization still stays in “ efficiency ( benefits ) first, equity for consideration ” and the traditional value idea that stresses the maintenance of individual economy efficiency is a main fact and the social efficiency is the complement

    其次，在此基礎上對傳統經濟模式下企業承擔環境責任面臨的困境進行原因剖析，認為:一方面傳統理論中企業「經濟人」與「社會人」假設存在的不足使得多數企業在承擔環境責任上處于被動狀態;受環境資源無價值論及傳統企業「人性」理論的影響，故企業環境責任法律化價值取向仍停滯于強調「效率（益）優先兼顧公平」及強調維護個體經濟效率為主社會效率為輔的傳統價值理念中。
  17. Based on this gateway, a 16kbps fh - gmsk wireless data transmission have accomplished. the arrangement of the thesis is below : chapter 1 gives brief description of software radio in the origin and development status and for the future chapter 2 introduces the theory related to software radio chapter 3 introduces the characteristic about wireless channel and some estimation way of channel chapter 4 introduces scheme of wireless data transmission. a 16kbps fh - gmsk wireless data transmission have accomplished, the mainly modem algorithm is done by dsp chapter 5 summary

    本文的結構安排如下：第一章對軟體無線電的由來、定義、發展狀況以及結構做了簡要的概述第二章介紹了軟體無線電相關的一些理論第三章介紹了無線通道的特性，及常用通道估計的方法第四章介紹了無線數傳的實施方案，在硬體平臺上實現了16kkbps的gmsk跳頻數傳，主要的調制解調演算法在ti的dsp上得到實現第五章總結和展望
  18. Design the project of transmitting the data by vhp channel, and realize the data transmission in actural channel. the method put forward in this paper is relatively new, and has a high practicality. the terminal target board designed in the research can be used as the hardware platform for other development subject in the lab

    本文所提出的智能交通通信平臺的構建和在vhf通道上進行無線數據傳輸的方案，均體現了通信技術在交通系統中的應用，具有一定的理論和實踐意義；在本研究中開發的船舶終端目標板可為實驗室的后續研究提供實用的研究平臺。
  19. On the basis of analyzing the old system and theory, the element circuits of wireless digital audio transceiver modules are designed in detail including the digital audio encoding and decoding circuits with the surrounding circuits, the fsk circuit based on pll frequency synthesizer, the power amplifier circuit, the frequency discrimination and agc circuit

    在分析原系統結構和理論的基礎上，完成了整個無線數字音頻傳輸模塊各單元電路的設計。主要包括有數字音頻編碼和解碼電路及外圍電路的設計、基於鎖相頻率合成器理論的fsk電路設計、功率放大器的設計、鑒頻與agc控制電路的設計。
  20. Next, synthesizing the features of wired and wireless lan, a network structure based on combination of wired and wireless network is presented as network structure of on - board wirless comminucation system, alone with a discussion of problems on store and forward switching, enrolment of consumer, management of route control. call control and problems of network layer. at one time, design and realization of on - board wireless comminucation system are introduced combined with its feature

    其次，分析了有線局域網與無線局域網的特點，提出了一種基於有線無線異構網路作為車載無線數據傳輸系統的網路結構，討論了存儲轉發、用戶注冊、地址與路由管理和呼叫控制等網路層問題。並結合車載無線數據傳輸系統的實際特點，具體說明了車載無線數據傳輸系統的設計與實現過程。
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