相當模數 的英文怎麼說

中文拼音 [xiāngdāngshǔ]
相當模數 英文
reduced modulus
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 當Ⅰ形容詞(相稱) equal Ⅱ動詞1 (擔任; 充當) work as; serve as; be 2 (承當; 承受) bear; accept...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • 相當 : 1 (兩方面差不多; 配得上或能夠相抵) match; balance; correspond to; be equivalent to; be equal to...
  • 模數 : [物理學] modulus; module; modulo; mod
  1. Knowledge discovery in database is a rather active research domain that involves statistics, database, etc. it is an unusual process that finds out the effective, fresh, latent - effective mode which can be finally apprehensible

    據庫知識發現( kdd )是涉及統計學、據庫等學科的一門活躍的研究領域,是從據集中識別出有效的、新穎的、潛在有效的以及最終可理解的式的非平凡過程。
  2. The main contributions of this dissertation are as follows : ( 1 ) a eugenic evolution strategy was proposed to improve the efficiency of the conventional simple genetic algorithm ( sga ) searching. the eugenic evolution genetic algorithm ( ega ) collects the population information along the evolution of children generations and constructs a deterministic optimization algorithm, which will be embedded in the evolution process at appropriate stage to speed up the local searching

    由於優化方法在建中有重要的作用,因此,接著對具有全局尋優性能的遺傳演算法進行了較為深入的研究,提出了基於優生演進策略的遺傳演算法( ega ) ,使尋優性能有較大的提高,並成功應用於化工領域中重油熱解型參的估計。
  3. The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces

    應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文下大舵角范圍內的三維粘性流場及水動力,成功地預報了舵的失速角和最大升力,並初步探討了雷諾對舵水動力的影響;計算結果與現有試驗和計算據比較,吻合程度好,初步檢驗和驗證了該求解器精確擬粘性流動和計算水動力的能力。
  4. Therefore, it is a puzzle to study the classification model, increase the class number and improve the detection ratio according to the classic classification algorithms

    因此,不管是分類型的建立,還是分類類別目的擴展和分類率的提高,難度都大。
  5. The main research is below : ( 1 ) the influence to intensity and rigid with corner angle ( 60, 75 and 90 degree ) of crack and the board axes ( 2 ) do a fem stress / strain and crack growth simulation analysis when the corner angle of crack and the board axes is 60 degree ( 3 ) do a intensity resume analysis for the structure which is repaired with a titanium patch in a mechanical way when the corner angle of crack and the board axes is 60 degree through simulation analysis for three failure criterion, we have : ( 1 ) in 60, damage extend quickly with damage analysis in hashin criterion ; it is slower for analysis in maximum stress or hashin - rotem criterion. ( 2 ) in special term ( physical condition incision, shape or maximum load ) the compression strength of the stiffened plate will decline 45 % ~ 50 % under compression loads

    通過採用三個不同損傷判據的擬,得到如下結論: ( 1 )在60時,用hashin判據進行的損傷分析,損傷擴展較快;最大應力及hashin - rotem判據進行的損傷分析,損傷擴展基本,且較慢; ( 2 )在所給加筋板的物理條件、切口大小及形狀、最大載荷等一定的條件下,該加筋板在壓縮載荷作用下,其壓縮強度下降了45 50 ; ( 3 )在本文提及到的機械連接修理方法以及載荷條件下,修理后的結構強度恢復能夠滿足戰時要求。
  6. After fulfilled the fpga circuit design, we achieved our expectation by simulation and system test. we proved that our system could prevent our local network data transmission from modification and demolishment in some degree

    整體系統的擬和實際測試表明該加密網卡電路基本上完成了設計功能,達到設計指標,在的程度上為局域網上的據傳輸起到了安全的保護作用。
  7. Therefore the nonlinear model developed here for simulating the ship towing system in waves can be regarded as an useful tool for promoting the ship towing technique and it safety at sea

    經由本研究的分析結果討論,可知本文所建立的式,對于評估海上拖帶作業技術與安全有大之助益。
  8. After analyzing and study two transitions of map to spatial data and spatial data to map, the author thinks the spatial data capturing is a loss map information process, and for map production firstly symbolize from spatial data, then reinforce the map information. the map production model ( mpm ) is the summary of all kinds of map production. the integration model is the best model in mpm and it infers that " spatial data first, map second " is the production process

    提出了「靜態字制圖」和「動態字制圖」的概念,論述它們各自特點和研究方法,並提出地圖制圖和空間據生產都屬于「靜態字制圖」 ;通過研究地圖和空間據的互轉換過程,發現空間據生產是地圖信息損失的過程,根據空間據來進行地圖生產必須先實現地圖符號化,然後再進行地圖信息的補充處理;本文提出的「地圖生產型」是現有各種字化生產式的基礎,從理論上論證了一體化生產式是最優式,推導出「先空間據生產,后地圖出版」的一體化生產流程,並歸納總結了字化生產的4種基本生產式和9種應用情況。
  9. In this dissertation, the data process ( dp ) subsystem and radar control program ( rcp ) subsystem of gbr simulation system have been studied and discussed. the main work and innovation of this dissertation is as follows : ( 1 ) track filter, the basic element of track system, has been researched. we analyze the advantage and disadvantage of common target kinematic model such as constant velocity model, constant acceleration model, noval statistic model

    本文是基於某gbr擬系統的合作項目中,本人負責的據處理子系統和雷達控製程序子系統的研究和開發的結果,主要進行的工作和創新有: ( 1 )基於跟蹤系統最基本的要素-跟蹤濾波,分析了前常用的微分多項式型, cv與ca (常速與常加速)型,時間型, noval統計型,以及機動目標「前」統計型等目標運動型的優缺點和雷達的觀測誤差。
  10. First of all, i summarize the forecast model category and estimate each model in detail, then, i adopt different model to forecast demand, supply, bdi of bulk shipping market. as to demand forecast, i mainly focus on the imitating precision of primitive data, adopt grey forecast model, self - suited filter model separately, and then compose these models as a better one. as to supply forecast, i use econometrics model to describe the complicated relationship of demand, supply, bdi, gnp etc. as to bdi, i try to draw into market integrated factor, describe the relationship of bdi, supply, capacity, speed, rate of oil, navigating capital etc. then finally, i make afterwards evaluation of these models and then analyze future bulk shipping market in detail

    對于需求預測,著重考慮對原始據的擬合精度,經過型比較優選論證,分別採用了灰色一階型,改進的灰色二階、自適應過濾預測的加權組合型,得到了高的擬合精度;對于供給預測,運用計量經濟型對供給、需求、運價、 gnp 、進出口貿易額等多變量之間復雜的互關系進行動態擬,定量的反映出各變量之間的因果關系;對于運價預測,嘗試引入市場綜合因概念,化繁為簡,通過描述運價與運力供給、載重噸、油耗、航速、燃油價格、航行成本等等諸多因素的關系來進行預測。
  11. The model of the inverted pendulum is : as an equipment, low cost, simple machinery, easy to perform all kinds of controls in simulation and digital ; as a controlled object, quite complex, high orders, instability, non - linearity, strong coupling system. we can keep it stable through some control method

    倒立擺的典型性在於:作為一個裝置,其成本低廉,結構簡單,便於擬,字實現不同方式控制;作為被控對象,又復雜,是高階次、不穩定、非線性、強耦合系統,只有採取行之有效的控制方法方能使之穩定。
  12. The teaching content of the experiment is unit one " permutations and combinations " of chapter nine in book two from algebra and primary geometry for intermediate normal schools. the experiment was conducted in two classes with their mathematics at the same level through adopting two different teaching models separately. after the teaching, the two classes took the same test

    該實驗以中等師范學校《代與初等幾何》第二冊第九章第一單元「排列與組合」為內容,通過在兩個學成績的班級分別採取兩種式進行教學,在完成實驗教學內容后進行統一測試,得出「三
  13. The interpolate technology just like a " ruler ", the resolving power of the " ruler " affect that the sampling points are arrayed correctly on time axis, and is determined by the multiple of the double slope integral amplifier. so it is core in the whole project. the project apply the complicated program logical device ( cpld )

    內插技術的應用使得隨機采樣理論能夠得以實現,內插技術于測量用的「尺子」 , 「尺子」最小分辨能力決定了最後采樣點重新在時間軸上位置排列的真實可靠程度,這里尺子的最小分辨能力是由雙斜率積分時間擴展器放大倍決定的,所以說該擬充放電放大電路在整個方案中是個很關鍵的部分。
  14. A port tyre crane has various parts and complex structure, which is made up plenty of beam - bar and shell elements, manual calculation can not guarantee the precision while finite element method needs onerous structure modeling and a great deal of date input. the finite element analysis and modeling of the port tyre crane are difficult because of complex structure and various loads. in order to fit further more design and exploitation of the same type as well as the upgrade of the production i study a kind of parametric software for structure analysis of the port tyre crane, it can reduce the difficulty of modeling and structure analysis as well as improve efficiency

    港口輪胎式起重機部件繁多、結構復雜,由目眾多的梁桿與板殼組成,其結構設計和力學分析使用傳統的手工計算方法難以保證精度,有限元方法則需要繁重的結構建和大量的據輸入,並且要求分析人員具有的力學知識和有限元基本理論。港口輪胎起重機結構的復雜性、載荷工況的多變性導致港口輪胎起重機結構有限元建和分析工作效率低、難度大。針對這種情況本課題研發了一套港口輪胎式起重機結構的有限元參化分析軟體,以適應同類機型的進一步設計開發和產品升級換代,降低建和分析的工作難度,提高工作效率。
  15. However, the forecast ability of the mathematical model is restricted since it is difficult to consist of the closed equations in a large amount of flow problems in hydraulic engineering the synthetic model, which combines the experimental and numerical simulation, is normally used for these complicated problems the results are satisfied in hydraulic engineering

    但由於水利工程中量要研究的水流過程還不能組成封閉的方程組,因而使得型的預報能力受到限制。目前,在許多情況下,常採用型試驗和結合的復合型方法解決復雜的工程問題,並能獲得比較滿意的結果。
  16. Because of the influences of the turbidity, ph of raw water, current, temperature and the pollutions of raw water, the process of coagulant dosage is a very complex reaction. to find out the automation of coagulant dosage and reduce the cost of the coagulant, many domestic and international scientific research organizations make research into the theory and mechanism of automation of coagulant dosage, such as the streaming current control method ( scd ), the emulation experimenting method in spot, mathematics model, flocculation control device ( fcd )

    由於受到原水濁度、 ph值、配水流量、原水溫度和其他水質污染的影響,投藥絮凝過程是一個非常復雜的反應過程,為實現投藥系統的自動化和降低混凝劑耗率,國內外多的科研機構和院校在進行投藥機理和自動化處理的研究,主要有流動電流儀檢測法( scd ) 、現場擬實驗法、型、顯示絮凝控製法( fcd法)等自動投藥方式的研究和實驗。
  17. For the purpost of thin and even wall thickness distribution, and mass production dialy, the molds for food packaging materials, such as pudding cup, airline cup, jelly cup, closeure, pet preform. . etc., have to be designed combining precision and hardness with hot runnet system in structure

    許多食品包裝器皿,如布丁杯、航空杯、果凍杯,瓶蓋、 pet瓶瓶胚等,由於其成品對于厚度及均勻度之要求嚴格,同時每日需生產龐大量,因此其具在結構上必須要求具有精密度高、硬度大、使用熱澆道系統等設計方可達到目的。
  18. For better veracity of simulating model, model is used lookup - table module to calculate the thermodynamic character of refrigerant, and datas of experience and test is combined in the compressor module, also the coefficient of heat transfer changing by running parameter is decided by computational procedure. in addition, choosing congruence step size solves the divergence of simulation procedure

    為了使型具有的準確性,型中採用查表塊進行製冷劑熱力性質計算,壓縮機塊中將實驗據與經驗計算結合,通過程序運算確定冷凝器和蒸發器傳熱系與運行參之間的關系,並成功解決了擬程序運行發散的問題。
  19. It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation

    柴油機缸內的火焰輻射受諸多因素的影響,用理論分析法來確定它是困難的,由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程,而燃燒過程中的實際熱力狀態又可用示功圖來分析,因此藉助於火焰輻射與缸內熱力參之間的這種間接關系,建立了一種計算柴油機缸內火焰輻射傳熱的新型,利用該型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算,將計算結果與實測結果進行了比較,表明該型能較好預測缸內火焰輻射傳熱量。
  20. We also apply lyapunov function to evaluate the attraction region of stable fixed point which corresponds to running region of the power system, we give the boundary of stability region by means of article [ 8 ], finally, the numerical simulate results verify the theoretical analysis

    本文還用lyapunov函對穩定域進行了估計,給出穩定平衡點的吸引域,這于電力系統的穩定運行區域。並且用文[ 8 ]提供的方法,給出穩定區域的邊界。最後,本文用擬算例驗證說明理論分析結果。
分享友人