確定系統邊界 的英文怎麼說

中文拼音 [quèdìngtǒngbiānjiè]
確定系統邊界 英文
system bounding
  • : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
  • : 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...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • 確定 : 1. (明確地定下) define; fix; determine; ascertain 2. (明確而肯定) definite; certain; for sure
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為模擬奠基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷運行的全過程奠基礎,同時也為製冷實現自動控制提供一的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  2. After market research, mobile terminals especially, boundary and responsibility of gui system are determined. and from a configurative perspective, three subsystems are defined and their interactions are set down ; from a portative perspective, the hierarchic architecture of gui is devised

    通過研究應用領域,尤其是移動通信終端領域,來確定系統邊界,明責任;在總體上,從可裁減性角度劃嵌入式gui的功能子及其交互關,從可移植性角度設計嵌入式gui的層次體結構;接著,具體設計實現gdi模塊。
  3. The product is suitable for double straight line smoothing of grinding flat glass. coarse grinding, fine grinding, and polishing can be done at one time. adopt plc control system, which sets processing parameters via interface, and finishes processing at one time, ti has stable bottom structureprecise and smooth transmission system, the transmission belt drive adopts strong power and tran - sfrequency motor to control speed, constant power, constant rule, output and advanced equipment to control, completed product has high polishing level, which is an ideal option assistant processed equipment of processing delicacy glass and furniture glass factory

    本產品適用於磨削平板玻璃是雙直線平,粗磨精磨拋光一次完成採用plc控制通過面設加工參數次完成加工,具有穩重扎實的底座結構,精流暢的傳動繞,傳送皮帶驅動採用功率變頻電機調速控制,恆功率恆扭矩輸出和高配置的控製成品拋光亮度高是加工精品玻璃和傢具玻璃廠家使用的最佳輔助加工設備。
  4. It is concluded that the main task comprises of delineating ecosystem units and services, assessing ecosystem integrity, and naming the dominated ecosystem function

    其基本認識是,按照生態的自然劃分生態單元;進行生態描述和評價;在主導生態功能的基礎上劃分不同的生態功能區。
  5. The force control of suspension bridge anchorage cable is the main contents which will be researched. according to the character of suspen - sion bridge anchorage, three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river. firstly, an effective method of cable force control is presented in this paper, which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack. secondly, an exactitude calculation model is founded in this paper. in addition the influence of boundary condition, sag, inclination, flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force. in the end of this paper, a control system of anchorage cable force is developed on the basis of the above research. this system is very steady, credible, high precision and convenient. it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable. in this paper, the conundrum of cable force control has been solved. the fruits are very useful to the development of inland suspension bridge

    提出了一種有效可行的錨跨張力控制方法,即通過在油壓千斤頂后加壓力傳感器,並利用單片機技術進行數據採集,解決了懸索橋錨跨索股初張力精控制的難題;建立了錨跨索股索力的精計算模型,分析了索股的條件、斜度、垂度、抗彎剛度及環境溫度對索股頻率的影響,解決了弦振法在大跨徑懸索橋索力測試中的應用問題;在上述研究成果的基礎上,研製出了錨跨張力控制,該具有穩可靠,精度高,使用方便等特點,它的投入使用將為我國今後大跨徑懸索橋錨跨張力控制提供一種全新的、可靠的手段。
  6. Thirdly, the conclusions of the two aspect applications are given as follows : the exploration of the application of the evaporation duct prediction to the flux relationship research and evaporation duct predicting shows that based on this predicting method and with microwave refractometer, as sensor, ( 1 ) the dimensionless gradient function of temperature, humidity and refractivity in the flux relationships can be determined with higher precision, ( 2 ) the limitations of conventional observations on the predicting accuracy for evaporation duct can be avoided and the precise prediction for evaporation duct can be obtained with the accurate measurement of refractivity profile within a few meters. the radar performance under given evaporation

    三、對兩個應用問題的討論表明:基於本文發展的蒸發波導預測理論,使用微波折射率儀為傳感器: ( 1 )開展通量關研究時,可以用於層溫度、濕度和折射率無量綱梯度函數的精和得到蒸發波導環境預測所需的偽折射率參數化函數關; ( 2 )預測蒸蒸發波導環境特性和傳播特性及其應用研究發波導環境時可以避免使用傳氣海面要素測量中存在的局限,並用折射率音d面不太高的精測量結果精預測蒸發波導環境。
  7. This paper studied two - dimension model of rotor and cylinder and builded the finite element model. generally take the rotor and the cylinder as control objects , definite their boundary conditions , solute their temperature fields , and then analyst their bear expansions and distortions as well as thermal stress distribute , to control the courses , and keep the unit the most optimum operating condition. and put the theories into practice developed by c + + program, used as the important part of the online monitoring and management system of life of the steam turbine

    本文對汽輪機轉子和汽缸的二維模型的進行分析,建立有限元模型;將汽輪機轉子和汽缸作為控制對象,條件,求解其溫度場,分析其熱膨脹、熱變形以及熱應力分佈;採用c + +語言編制汽輪機高壓缸、中壓缸以及缸體的溫度場實時在線監測程序,作為汽輪機壽命在線監測與管理的核心部分,用以指導汽輪機的啟停及運行過程,使機組可以安全的、經濟的運行。
  8. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    軟體中,提出了採用動態條件,通過對離散采樣點的三次樣條插值曲線的擬合恢復束斑x和y方向的輪廓,本既能準客觀地描述電子束輪廓,又能夠準快速地測量電子束著屏誤差等多種參數,為cpt電子槍和偏轉的性能改進與解析度的提高提供了有力的測試分析和研究手段。
  9. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻,總結了滑模變結構控制的發展歷史和特點,詳細介紹了變結構控制的基本概念、基本義、基本性質、基本原理以及設計方法;分析了變結構控制抖振產生的機理,並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法;針對傳抑制和消除抖振方法的不足,改進了傳方法,得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變層法和附加連續項法;針對不性線性,在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振,提出了一種自適應模糊積分變結構控制方案( afivsc ) ,利用模糊邏輯來柔化控制量中非線性不連續部分,採用自適應理論,根據性大小在線調整模糊輸出量的隸屬函數,另外,鑒于模糊控制本質上是有靜差的,所以本文選擇了帶積分項的切換函數,由於積分項的存在使較正為無靜差
  10. Through the choice of combustion controlling equation, the close of equation group and the decision of boundary condition, it completely introduces the numerical simulation theory with flame combustion on the heating furnace for carrying crude oil

    通過燃燒控制方程的選用、方程組的封閉以及條件的介紹了原油輸運加熱爐煤氣有焰燃燒數值模擬的理論基礎。
  11. To solve the heat transfer boundary problem among the piston, liner, coolant and body parts, especially the temperature and heat transfer among the coolant, liner and body

    摘要為解決發動機活塞組缸套冷卻水機體之間傳熱條件難以的問題,尤其是冷卻水和缸套、機體之間的流固的溫度和換熱數,將這幾個部件作為一個耦合進行傳熱研究。
  12. Through solving the unsteady flow fields of an airfoil - flap, the mechanism of buzz is intensively studied. on the basis of the unsteady flow fields of an airfoil - flap with an upper - wing spoiler, the mechanism of the upper - wing spoiler suppressing the buzz is researched. in additions, the comparisons of the unsteady flow fields of an airfoil - flap with and without a separator show that the separator reduce the speed of the buzz

    從非常流場計算出發的研究了嗡鳴發生的機理以及擾流片對嗡鳴起抑制作用的機理;應用能量法了嗡鳴發生的;並且研究了機翼舵面之間有隔膜和無隔膜以及機翼上有上翼擾流片和無上翼擾流片對嗡鳴發生的影響;得出了有意義的結論。
  13. The flexible retaining structure is another important retaining structure in soft soil. the integrated numerical analysis of this retaining structure ( including the methods and theory of calculating active earth pressure under sorts of conditions as well as the calculating method of horizontal stiffness coefficient of bracing structure and the method of deciding boundary condition etc. ) was gived. the effect of all parameters on the characteristics of retaining structure was discussed using methods of sensitivity - analysis

    本文針對目前常用的彈性支點法,給出了完整的數值分析方法,包括各種條件下的墻後土壓力的計算方法和原理、支撐(或錨拉)水平剛度數的計算、條件的方法等,並以此為基礎採用靈敏度數分析方法討論了各參數對圍護結構形態的影響,指出土體側向基床比例數是影響圍護結構變形的最主要的參數。
  14. This processing line has two sszm1200c straight line double edgers and 90 transfer table. 30 spindles on each sszm12000c, high collocated, wheels. high - level of polishing ; compact and steady base, precise and smooth transfermission system ; big power frequency - conversion motor to control the speed of pedeail ; plc control system sets processing parameters via interface, to control the width and the speed, the minimum size of the glass can be 127xl27mm ; the structure of the machines is compact and stable. this line is our new designed products, and it s the ideal choice of assistant equipment for exquisite and industrial glass, besides, it can be used with other machines to form a production line set

    本生產線由2臺sszml200c玻璃直線雙機和1個90中轉臺組成每臺sszml200c玻璃直線雙機配置30個磨頭,磨輪配置多,加工拋光精度好底座穩重扎實,傳動流暢大功率變頻電機調速控制傳送皮帶驅動plc控制通過面設參數控制,最小加工玻璃寬度尺寸小至127127mm機器結構緊湊性能穩,是我公司全新設計的力作是大批量精品玻璃和工業玻璃磨生產的暈佳配套設備,可口與夾膠印花,鋼化等生產線配套使用
  15. And when going on reliability analysis of slope stability, confirm with critical split surface using traditional definite value analysis method ( namely most dangerous sliding surface ), then calculate reliability index and failure probability of slope in this sliding surface. compare with using trial method to look for critical sliding surface in the past, it reduces time of calculating greatly, improves computational efficiency, can get safety coefficient and failure probability of slope stability at the same time

    並且在進行坡穩可靠性分析時,用傳值分析方法公路坡的臨滑裂面(即最危險滑裂面) ,然後以此為基準計算坡的穩可靠指標及坡失效概率,與以往尋找臨滑裂面的試演算法相比,大大減少了計算時間,提高了計算效率,可以同時求得坡穩安全數和坡失效概率。
  16. The jinan spring catchment is a complicated karst water system, the following major work had been done in order to discuss the proplem of spring protection and water supply. 1. having conduced exploration, experiment and comprehensive research, the southern boundary of the jinan spring catchment is determined to be the surface water divide ( changecheng mountain ), the source of yufu river and baedasha river ; the northern one is the carbonniferous and permian strata, together with the igneous rock mass in the north of jinan, and the eastern and the western ones are dongwu and mashan faults respectively, which are weakly permeable boundaries. the total area of the spring catchment is 1486 km2

    濟南泉域為一復雜的巖溶水,為了探討保泉供水問題,主要做了以下工作: (一)經過勘查、試驗和綜合研究濟南泉域是:南為玉符河、北大沙河源頭的地表水分水嶺(即長城嶺) ;北為濟南北部的石炭、二迭地層和巖漿巖體;東、西兩側分別以弱透水的濟南東部的東塢斷裂和西部的馬山斷裂為
  17. Several involved factors of the damage boundary problem were shown in this paper. at the same time, the fragility was researched as a import factor and the test method with which gets the displacement fragility was firstly given. moreover, this paper apply a way to solution the fragility with fea as the base of simulation analysis of damage boundary with a computer

    論文闡述了與包裝損壞相關的幾個問題,並重點就產品易損度的進行了比較深入的探討,提出了測取位移易損度及其相關物理量試驗方法;給出了一種用有限元分析方法計算產品易損度的方法及其實現過程,從而為文中提出的計算機模擬分析法包裝損壞提供了基礎。
  18. In my own experience, the most important role of the programmer analyst is to identify all of the edge cases that the domain expert has not thought of

    在我自己的經驗中,程序員/分析員最重要的角色就是要所有這些領域專家所沒有考慮到的情況。
  19. However, the traditional expert systems only handle the dominant and superficial knowledge, they have lots of demerit such as weak reasoning ability, poor intelligence and the difficulty in getting knowledge and so on. therefore, this paper introduces the technology of the artificial neural network ( ann ) to overcome the shortage of expert systems, and tries to solve the problem which has complicated relationship, fuzzy boundary questionably factor and expresses hard in regulation and mathematical model

    但傳專家只能處理顯性的表面的知識,存在推理能力弱,智能水平低,而且知識獲取難等缺點,所以本文引入了人工神經網路技術來克服傳專家的不足,來試圖解決農業中存在的關復雜、模糊、不性強等難于用規則或數學模型嚴格描述的問題。
  20. All these questions should only be solved and proved through engineering method and technology realization. in this dissertation, the author tried to illustrate the purpose and aims of internet security by giving a new idea of the boundary of traditional lan. using the ppdr theory, also combining with a real instance and the monitor - auditing software already developed, the author proved the validity and the applicability of this theory model both theoretically and practically. furthermore, illustrated how the security technology strategy is formed and applied by using the reasoning method of system engineering science, hence, advanced a good instance as to how to thoroughly fulfil the internet security engineering

    本論文通過對傳的內聯網和區域義的充分理解和重新認識,對網路安全的目的、目標進行了描述,並運用p ~ 2dr理論模型,結合所參與的一個網路安全工程實例和已開發完成的內聯網監控審計軟體,從理論和實踐兩方面證明該理論模型和對一些義理解的正性和可實現性,以工程學的思維方式闡述了安全策略的形成過程和實現方法,對網路安全工程實際應用提出了可資借鑒的實例。
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