自然數論 的英文怎麼說

中文拼音 [ránshǔlún]
自然數論 英文
natural number theory
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : Ⅰ形容詞(對; 不錯) right; correct Ⅱ代詞(如此; 這樣; 那樣) so; like that Ⅲ連詞[書面語] (然而)...
  • : 數副詞(屢次) frequently; repeatedly
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 自然 : 自然at ease; natural; free from affectation
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. On the basis of the study on the speech coder algorithms, paper describe an advanced method of developing dsp system software, and as the guidlines, we developed the programme of whole decoder unit. paper stress on analysis of the ecu in decoder unit. aiming at amr algorithms disadvantage of angularity of synthetical speech, paper study on the specutral extrapolation which apply to extrapolate reflect coefficient of track model to make error conceal processing of amr. at last paper analyze existing echo cancellation algorithms using on mobile communication system

    在此基礎上,描述了一種較為先進的大型dsp系統程序開發策略,並以此為指導思想,以美國ti公司c6000dsp開發平臺開發出了整個amr解碼器單元的系統程序。文對amr解碼器的誤碼隱藏處理單元進行了重點分析,針對原有演算法合成語音度不好的缺點,文研究了將譜外推法應用到amr演算法中外推出聲道模型反射系進行誤碼消除處理。
  3. The first part is the preface. in this part, i have made a general introduction of dai ethnic minority in xishuangbana dai antonymous region, such as the important position, the unbalanced social and economic developments, and the abundant natural resources. meanwhile, i have also talked about the characteristics of the ethnic relations between dai ethnic minority group and other ethnic ones, which contain the location, the sense of the same origins and cognitions and so on

    本文共分為七部分:第一部分為緒部分,主要介紹了西雙版納民族地區的大體概況(地處邊疆、戰略位置重要;社會、經濟發展不平衡;資源豐富)及西雙版納傣族治州各民族關系特點(大雜居,小集居,立體分佈;共同的歷史淵源和族群認同感;民族關系的核心是漢民族和少民族之間的關系;民族關系發展的不平衡) 。
  4. Third, it is this " moment " of the segment of space - time which based on the the philosophy of the nature and describing the mechanical movement that symbolize the transform from the view of integralization in classical atomism of mathematics to the view of integralization of modern real number

    另外,正是基於新的哲學的、作為描述機械運動的時空片段的「瞬」標志著古典學原子的積分觀向現代的分割實連續統的積分觀的轉化,而現代學的微分概念更是直接源於描述機械運動的速度和與運動軌跡密切相關的曲線的切線問題。
  5. With the rapid development of economy in china, vehicle volume is increasing heavily. therefore, the consequent traffic problems of traffic congestion, traffic accidents and environment pollution become a headache of city managers. intersection as the hinge of city traffic system, vehicles, pedestrians and bicycles join together in the intersection

    本文依託國家科學基金重點項目《城市路網動態交通管理與控制關鍵理及其模擬技術研究》和國家科學基金項目《混合交通中的機非沖突機理與基本參研究》 ,對平面交叉口轉彎車流交通組織優化方法進行了研究。
  6. Witten ' s open string field theory formulate the interaction of bosonic open strings in the language of noncommutative geometry. compactification of matrix theory on the noncommutative torus was argued to correspond to supergravity with constant background three form tensor field. more generally, it has been realised that noncommutative gauge theory arises in the worldvolume theory on d - brane in the presence of a constant background b field in string theory

    Witten的開弦場用非對易幾何描述了玻色開弦的相互作用;在非對易torus上的矩陣理的緊化對應于帶有常三形式張量場的超引力;更為普遍的,非對易規范理可以地產生在帶有常b背景場的三維d - brane上。
  7. Next analyzed were the characteristics of natural gas pipeline transmission ; cost, ratemaking principle, method of acquiring the pipeline transmission fee, constitution, calculate, management and control after that, wt ; compared service cost methods with economic evaluation methods and the one - part pricing method with the two - part pricing method. later on was introduced the regulate coefficient of pipeline transmission fee structure, established the modificatory two - part pricing method, and found out a natural gas pipeline transmission pricing method that is fit for china ' s current situation. finally, we validated the rationality and applicability of this metho j by the demonstrational analysis on the natural gas pipeline transmission price of " the gas transmission from west to east " pipeline this paper ' s research fundamental is : the fundamental of natural gas pipeline transmission pricing should reflect the characteristics of natural gas pipeline transmission

    本文首先述了壟斷行業的價格理後分析了天氣管輸的特點、定價原則及管輸費的收取方式、成本、構成、計算及其管理與調控;在此基礎上比較了中外天氣管輸定價的服務成本法與經濟評價法,一部制定價法與兩部制定價法等;針對目前我國天氣管道運價的制定現狀,本文深入研究了國際通用的天氣管輸定價方法,引入「管輸費結構調整系」的指標,建立修正的兩部制定價方法,找出了一套適合於我國當前國情的恰當的天氣管輸定價方法,並通過「西氣東輸」管線加以實證分析,驗證了方法的合理性和適用性。
  8. It derives a simplified general team formula by analyzing the basic characteristics of natural numbers

    通過對一些基本性質的分析證,得出一個簡明的梵塔移動的通項公式。
  9. The fractal and chaos theory are effective tools to study nonlinear system, quantifying the indeterminate nonlinear system, using aboard in the nature study, last years, many scholars study the capital market by that method, conquer the emh and the capital market theory ' s localization, inaugurate the new phase of the capi tal market study

    分形和混沌理作為研究非線性系統的有效工具,可以把不確定的非線性系統量化,在界的研究中已經得到了廣泛的應用,近年來,許多理工作者用該方法用研究資本市場,克服了原來研究線性系統的emh和資本市場理的局限性,開創了資本市場研究的新局面。
  10. All records both common and uncommon birds supplement the existing wwf ornithological research work and help us better understand population dynamics of bird species and groups inside the nature reserve

    是常見或罕見的雀鳥記錄,也對我們世界基金會在米埔的鳥類目的研究工作有很大的幫助。
  11. The integrated dci could completely indicate the outdoor climate characteristics and can be used to choice the different passive design strategies. taking advantage of the author proposed bbdc and the updated weather data for 18 cities that have both typical climate characteristics and economic geography meanings, analyzes roundly each city ' s climate and proposes appropriate passive design strategies. suggests rules of passive design guidelines, which include solar heating, natural ventilation, nocturnal ventilation and evaporative cooling system and shade

    西安建築科技大學博士學位文利用作者建立的氣候分析圖和氣象據統計結果,選擇我國劃明裡區域內有人黃昏氣候特徵和重要經濟地理位置的城市(共18個) ,在分析各城市氣候特點的基礎上,提出了以創造室內熱舒適為目的建築氣候設計指導原則和適宜的被動式設計技術措施,主要包括太陽g里同援、夏季通風和建築蓄熱降溫、蒸發冷卻和遮陽。
  12. On the other hand, they play an important role in the theories of esfimation for regression function. in this paper, we mainly get the large sample properties for partitioning estiona - tion and modified its estimation. for example, we proved their asymptolic normaity under nuture conditions by means of mortingle theory ; we also get their strong consistency for regression function under censored samples ; and finaly we genearzed the result to dependence sample and have strong consistency for the modified partitioning estimation of regression function

    因此本文研究了回歸函基於分割估計及改良基於分割估計的大樣本性質,利用鞅的有關理,在比較的條件下,證明了其漸近正態性;首次構造了截尾樣本的回歸函基於分割估計及改良基於分割估計,並證明其強相合性;同時把有關結果推廣到相依樣本下(如混合) ,獲得了改良基於分割估計的強相合性及收斂速度。
  13. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線,實驗結果表明,溫度漲落的中性曲線在低格拉斯霍夫grashof
  14. In this text, we first do some research on the genetic algorithm about clustering, discuss about the way of coding and the construction of fitness function, analyze the influence that different genetic manipulation do to the effect of cluster algorithm. then analyze and research on the way that select the initial value in the k - means algorithm, we propose a mix clustering algorithm to improve the k - means algorithm by using genetic algorithm. first we use k - learning genetic algorithm to identify the number of the clusters, then use the clustering result of the genetic clustering algorithm as the initial cluster center of k - means clustering. these two steps are finished based on small database which equably sampling from the whole database, now we have known the number of the clusters and initial cluster center, finally we use k - means algorithm to finish the clustering on the whole database. because genetic algorithm search for the best solution by simulating the process of evolution, the most distinct trait of the algorithm is connotative parallelism and the ability to take advantage of the global information, so the algorithm take on strong steadiness, avoid getting into the local

    本文首先對聚類分析的遺傳演算法進行了研究,討了聚類問題的編碼方式和適應度函的構造方案與計算方法,分析了不同遺傳操作對聚類演算法的性能和聚類效果的影響意義。後對k - means演算法中初值的選取方法進行了分析和研究,提出了一種基於遺傳演算法的k - means聚類改進(混合聚類演算法) ,在基於均勻采樣的小樣本集上用k值學習遺傳演算法確定聚類k ,用遺傳聚類演算法的聚類結果作為k - means聚類的初始聚類中心,最後在已知初始聚類和初始聚類中心的情況下用k - means演算法對完整據集進行聚類。由於遺傳演算法是一種通過模擬進化過程搜索最優解的方法,其顯著特點是隱含并行性和對全局信息的有效利用的能力,所以新的改進演算法具有較強的穩健性,可避免陷入局部最優,大大提高聚類效果。
  15. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參的選取依據,以此為依據,設計了聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位文蕩光束腰半徑時,激光輸出功率的與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  16. Harmonic maps between riemannian manifolds are very important in both differential geometry and mathematical physics. riemannian manifold and finsler manifold are metric measure space, so we can study harmonic map between finsler manifolds by the theory of harmonic map on general metric measure space, it will be hard to study harmonic map between finsler manifolds by tensor analysis and it will be no distinctions between the theory of harmonic map on finsler manifold and that of metric measure space. harmonic map between riemannian manifold also can be viewed as the harmonic map between tangent bundles of source manifold and target manifold

    黎曼流形間的調和映射是微分幾何和學物理的重要內容。黎曼流形和finsler流形都是度量空間,可利用一般度量空間調和映射的理finsler流形間的調和映射。但由於控制finsler流形性質的各種張量一般情況下很難應用到一般度量空間調和映射的理中,使得這樣的討大都是形式上的,並與一般度量空間調和映射的理區別不大。
  17. No matter proof of chalk it up is uniform number or classified number, all press natural word order with respect to cent month serial number

    記帳憑證無是統一編號還是分類編號,均就分月份按字順序連續編號。
  18. Theorem 2 ( ordinary comparison test ) suppose that and are positive series, and. if the series converges, so does ; if the series diverges, so does the series

    設和都是正項級,如果級收斂,且存在,使得當時,有,則級收斂;如果級發散,且當時,有成立,則級發散。
  19. In the end of this chapter, we study the wiener index for the ( m, n ) - graph. this may help for the study of the following problem : which graphs have the wiener index equal to the natural numbers besides 2 and 5, or the extreme value problem of the wiener index

    本章最後給出了( m , n ) -圖類的wiener,這有助於探討下述問題:以任何2 、 5之外的為其wiener的圖類四北工業大學碩士學位文的研究,以及wiener的極值問題的研究。
  20. An optimizing method based on biological evolution - genetic algorithm is proposed to the problem of the construction process planning analysis. adapting the successful experience of path optimization problem, improved genetic operators are adopted : the sequence of numbers, which is arranged by the removal order of members, is assumed to represent a chromosome by natural code ; transforming baseline information of this problem into immune operators ; combining rank - based model with elitist model ; designing special crossover and mutation operators. the mathematical model for computer and special programs are provided in this paper

    借鑒遺傳演算法在求解路徑優化問題上的成功經驗,應用了改進的遺傳運算元:採用對結構去除構件進行編碼,將所求問題的基本信息轉換成免疫運算元,採用穩態最優保存策略和排序選擇方法相結合進行選擇,採用適用於本問題研究的特殊的交叉運算元和變異運算元,從而來討在桁架結構施工路徑優化問題中使用遺傳演算法的可能性。
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