靜不定問題 的英文怎麼說

中文拼音 [jìngbùdìngwèntí]
靜不定問題 英文
static indeterminate problem
  • 靜 : Ⅰ形容詞1. （安定不動; 平靜） still; calm; motionless 2. （沒有聲響; 清靜） silent; quiet Ⅱ名詞（姓氏） a surname
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 問 : Ⅰ動詞1 （請人解答） ask; inquire 2 （詢問; 慰問） question; ask about [after]; inquire about [aft...
  • 題 : Ⅰ名詞1. （題目） subject; title; topic; problem 2. （姓氏） a surname Ⅱ動詞（寫上） inscribe; write
  • 問題 : 1 （需回答的題目） question; problem 2 （需研究解決的矛盾等） problem; matter 3 （事故或意外） tr...
  1. The classical frequency - domain theory forms a basis of bridge vibration analysis, however such method has some limitations. some literatures show that the time - domain analysis method has advantages for vibration analysis. because of the research on time - domain vibration analysis developed only in recent years and the theory is n ' t perfect enough, it needs to be made further investigation

    經典的簡化靜力法存在一定的局限性；反應譜法為中、小跨橋梁的抗震設計提供了廣泛的應用，但對解決大跨度橋梁的線性與非線性問題存在明顯不足；時程分析法由於該領域的研究起步較晚，目前的理論和方法還不甚成熟，有待于進一步深入研究。
  2. The third, it analyzes some question about feasibility analysis and provides some means to solve theses question. the fourth, it studies some important problem about real estate feasibility analyzing such as : the market segment and market position of real estate, consumer market and consumer buying action analyzing, the financial evaluation of real estate project, the analysis of risk of real estate project, the indefiniteness analyzing of real estate project. in the part of feasibility analyzing of s real estate project, it analyzes the feasibility of the s project from three aspects including marketing feasibility, engineering and technology feasibility, economical feasibility, then makes a conclusion of feasibility analyzing of s project, together with some suggestion to the problem of s project

    第四，對房地產開發項目可行性分析中應重點關注的一些問題進行了較為深入的探討，具體包括：準確地進行房地產市場細分與定位：房地產市場細分的準則，房地產市場定位的任務，房地產市場定位的誤區與對策；認真研究消費者市場及消費者購買行為：影響消費者購買行為的因素，消費者購買決策過程分析，消費者購買行為分析，消費者分析通常應涉及的問題；科學地進行開發項目的財務評價：靜態評價及其優缺點，動態評價及其優缺點；加強開發項目的風險分析：房地產開發項目風險的特點類型，風險的總體狀況及變化趨勢，開發項目風險的防範策略；重視開發項目的不確定性分析：盈虧平衡分析，敏感性分析，概率分析。
  3. Firstly, the status of our nation ' s water resources, flood and arid hazards is overviewed to illustrate the necessity for study on dynamic control of flood season limited water level. disadvantages in traditional limitsd water level design, static control of limited water level design, static control of limited water level and fuzzy limited water level curve are pointed out, and mending methods for these are introduced. dynamic control and its key problems are analyzed hi next section. the allowable range of limited water level is determined, so as the allowable extreme risk index. the definition of extreme risk is re - illustrated, risk analysis methods in reservoir operation is discussed either. according to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level

    本文首先闡述了我國水資源狀況和水旱災害、說明水庫汛期限制水位動態控制研究的必要性；介紹了傳統汛限水位設計、汛限水位靜態控制、模糊汛限水位過程線存在的問題及其初步改進方法；分析汛期限制水位動態控制的方法及關鍵問題；進一步闡述了水庫極限風險率的定義；根據極限風險率定義，詳細敘述了不同極限風險指標時、不同汛期限制水位下起調，水庫所能承受的極限風險率計算方法。然後，基於極限風險率計算方法，以白石水庫為背景，研究「考慮壩體自身安全、考慮壩體安全與下游防護對象控制下泄流量的汛限水位動態控制的極限風險率」 。
  4. Given a scenario, write code that makes appropriate use of object locking to protect static or instance variables from concurrent access problems

    在給定的條件下，寫出正確使用對象鎖保護靜態或實例變量不會產生並發訪問問題的代碼
  5. Aiming at this problem, the main research issues and achievements in this paper are as follows : bi - directional data transformation between rdb and xml with semantic constraints preserved for most of existing researches on static data transformation between xml and rdb, dtd is taken as the schema description language for xml, and the semantic constraints are often lost during the transformation process. to overcome these disadvantages, the author adopts xml - schema, a standard schema description language proposed by w3c to replace dtd, as the description method owing to its more powerful functions than dtd, and of course with the syntax much more complicated. after analyzing the constraints characteristics in both xml - schema and relational schema, a semantic constraints - preserved algorithm is proposed which can realize the bi - directional schema mapping between rdb and xml through a formalized description of xml based on regular tree and a general expression for relational schema based on direct graph approach

    保留語義約束的xml與rdb雙向靜態數據轉換技術現有研究大多採用dtd （ documenttypedefinition ，文檔類型定義）作為xml的模式描述語言，並且在模式映射過程中丟失語義約束信息，本文分析了xml - schema （ xml - schema採用與dtd完全不同的語法，數據描述能力更強同時也更為復雜，已被w3c確定為替代dtd作為xml模式描述語言的標準）及關系模式的語義約束特徵，通過基於正則樹的xml形式化描述方法以及基於有向圖的一般關系模式表示方法的研究，建立保留語義約束的xml - schema與關系模式的雙向模式映射演算法，實現了xml與rdb的雙向數據轉換，較好地解決了xml與rdb在靜態數據轉換層面的數據集成問題，可有效滿足企業大量rdb數據面向xml的發布以及與日俱增的xml數據存入rdb的應用需求。
  6. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  7. Interval analysis is used to m odel the uncertainty in the static structural analysis and design

    本文採用區間分析法來處理結構靜力分析和設計中的不確定性問題。
  8. How to keep the width of solution not be changed is the key of static interval analysis on structural uncertain problems

    如何保證解區間不被放大或縮小，是結構不確定性問題靜力區間分析的關鍵。
  9. In the course of collation of lashing " s forcese, put forward a new mathematicsl model. with applying the theory of statistically indeterminate system, solve the problem of calculating forces of lashings

    在校核綁索的受力時，重新建立數學模型，應用超靜定力系的計算原理，解決了各綁索的不同受力問題。
  10. In chapter 2, a general digital watermarking frame is presented, including the generation, embedding and detection of watermark. in chapter 3, the concept of watermarking channel is presented, the modes of watermarking channel and image dct coefficients is proposed, the capacity of watermarking channel is evaluated by embedding watermarks to selected still image dct coefficients in direct spread spectrum. in chapter 4, a watermarking algorithms based wavelet multi - resolution is presented, by conjunction with human visual model, it keeps invisibility of watermark in host image and need not original image during detection

    數字水印是一種新的數字媒體保護技術，它是將特定的信息（如版權信息、秘密消息等）嵌入到圖象、語音、視頻等各種數字媒體中，以達到版權保護等目的，同時，這種信息對宿主媒體的影響不足以引起人們的注意且有特定的恢復方法，此信息對非法接收者應該是不可見的，本文主要對數字水印的一般框架，靜止圖象dct系數的理論容量，圖象水印的嵌入和檢測，數字媒體防篡改以及數字水印的攻擊等問題進行了研究，提出了兩個新的水印算演算法。
  11. 1. after verbal - analyzing the meanings of rationality and reason, the author argues that they have the same meaning, which implies the cause and argument ; 2. while the absolutism and essentialism on rationality are criticized with the reasons of the paradox between the belief and the causes and the absolute of human ignorance, the relativism and nihilism on the issue also are refuted on the grounds of human natural instincts in pursuing order

    （二）根據信仰與理由之間的悖論和人無知的絕對性批判了在合理性問題上的絕對主義、本質主義，又以人們追求秩序的天性批判了合理性問題上的相對主義、虛無主義，筆者認為，盡管合理性標準不會靜止不變，但在一定時期內，仍有普適的、為人們普遍接受的合理性標準。
  12. Such as : the balance of elastic membrane, the heat conduction of stationary state, the incompressible potential flow, the problem of electrostatic field and magnetostatics field

    例如：彈性膜的平衡問題，穩定狀態的熱傳導問題，不可壓縮勢流問題，靜電場問題以及靜磁場問題。
  13. But another question the control system brings is that the aircraft manipulation character does not meet the requirements. the aircraft needs one more control systems to make the manipulate character satisfy the character requirements. both control systems are called control and augmentation systems

    高空高速飛機本身靜穩定性能不足，加入增穩控制系統后雖然滿足了穩定性的要求，但造成了操縱性能的不足，必須再加入一個增控迴路來解決這個問題。
  14. Inversion of the near surface structure can be done by the method with refraction first - break information, so it can be used to solve 2d long wavelength and short wavelength statics problems for complex near surface areas ; 4 ) a kind of 3d statics method with statistical deposition of refraction first - break traveling time in common shot domain is developed

    它適應折射面起伏不大、折射層較穩定的近地表條件，利用該方法可以解決二維沙漠、黃土塬覆蓋區等復雜地表條件的長短波長靜校正問題； （ 4 ）三維共炮域折射旅行時統計分解靜校正方法。
  15. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是：對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結，指出當前預應力鋼結構工程實踐中存在的主要問題；闡述了預應力鋼結構的受力機理，並指出預應力鋼結構的適用范圍和特點；在考慮結構應力和變位約束的條件下，建立預應力鋼結構優化設計模型；提出多次預應力鋼結構優化設計方法和步驟，採用線性規劃和滿約束準則相結合的優化方法，可優化設計出施加的每一級預應力的大小，並得到結構各部分的優化截面；對多次預應力最佳的施加次數作了分析，並建議以2 3次為宜；為驗證文中理論和方法，分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計，經濟效益明顯；對水平平行弦鋼桁架的幾種施加預應力的方案進行比較，對于局部布索，預應力只對下弦起到卸載作用，對上弦和腹桿基本不起作用；而整體布索預應力除對下弦卸載外，對索折點以外部分腹桿也起到卸載作用，經濟效益好於局部布索。
  16. In the regions of the east plain, the geological conditions of the surface vary little, so the effective reflected waves in the original seismic data are relatively stable, the static correction problem and all kinds of disturbance are not much obvious and the signal - to - noise ratio ( snr ) is relatively higher

    在東部平原地區，由於地表地質條件變化不大，原始地震資料中有效反射波相對穩定，靜校正問題及各類干擾不十分突出，信噪比相對較高，在常規處理中都已形成了一套相對穩定的地震數據處理流程。
  17. Solving the static correction problems under complex near - surface conditions is a systematic engineering. first, careful field weathering investigation must be done, then we have to take full advantages of refraction first - break information and field weathering investigation information to compute field static correction and large residual static corrections with various refraction first - break statics methods, finally, reflection statics methods are used iteratively to solve the residual statics problems. to solve serious static correction problems in complex near - surface areas of western china, different refraction first - break statics methods are studied in this thesis. the main study contents are as follows : 1 ) the propagation features of refraction for horizontal layered and dip media are studied firstly, it lays a good theoretical foundation for later statics method studies

    本文針對目前西部油氣勘探中迫切需要解決的復雜地表區靜校正技術難題，對初至折射波解決二維和三維長、短波長靜校正問題的正反演方法進行了深入的研究和探討，研究內容主要包括（ 1 ）水平層狀和傾斜界面折射波的傳播規律，為后續的折射靜校正方法研究奠定理論基礎； （ 2 ）二維復雜層狀介質地震折射波正演方法，該方法可適用於折射面起伏不大、低速層和折射層速度變化不大的情況。
  18. The portal frame is a hyper static structure, if it is analyzed by material - strength method, it is complex and large simplification must be made, and calculation accuracy is lower. larger safety - factor is often adopted to ensure the portal frame safe, this results in large structure size, more material cost and higher manufacture cost

    該門架結構是一個高次靜不定問題，採用傳統的材料力學方法很難求得解析解，且要想求解需對結構作較大的簡化，造成計算結果誤差大，為此，常採用加大安全系數的方法以保證結構的安全可靠運行，結果使結構尺寸加大，浪費材料，增加製造成本。
  19. Solvable conditions for electrostatic problems using gauss ' s law with direct integral method are presented. non - consummate expressions in the ordinary textbooks are appointed with counterexamples

    摘要給出應用高斯定理由直接積分法求解靜電場問題時的可解性條件，用反例說明常見教科書中對此問題的表述是不完備的。
  20. In common cases, slope stability is not a static problem

    通常情況下，問題是靜不定的。
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