等精度曲線 的英文怎麼說

中文拼音 [děngjīngdùqūxiàn]
等精度曲線 英文
contour of constant geometric accuracy
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order

    此外由於它們還具有三角函數的優點，故既可以精確表示直線段、二次多項式曲線段又可以精確表示圓弧、橢圓弧等二次曲線以及心臟線、雙紐線等超越曲線。特別地， 3次均勻t - b樣條曲線曲面比同階均勻b樣條（ c - b樣條）曲線曲面具有更高的光滑度。
  2. The inversion results of synthetic magnetotelluric sounding data are ideal, which indicates that the algorithm possesses advantages of expediting convergence, avoiding earliness and improving precision, and can be used in mt data analysis

    對各種類型的大地電磁測深理論曲線進行計算，結果表明：採用實數編碼混合遺傳演算法進行反演具有收斂速度快、解的精度高和避免出現早熟等優點，可用於大地電磁資料解釋。
  3. According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given

    根據平面剛架穩定性能量法特徵值方程（通式） ，考慮弧形鋼閘門主框架柱的柱端約束的特殊情況，求出撓曲線函數（試解函數）通解，得到弧形鋼閘門主框架柱穩定性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。
  4. This works has complete product specifications and varieties. it can offer double - faced coating adhesive, single - faced coating adhesive, fully automatic linear edge sealing machine, double - faced coating adhesive automatic straight - line, hand - operated curve & straight - line, three - row, four - row, six - row, high precision multi - drill, precision multi - drill, precision pulling bench saw, 45 - 135 aluminum frame and wooden mirror frame angle cutter, stroke charge open sawing machine, hard alloy saw sharpening machine, hydraulic press etc. it supplies woodworking machinery parts, fittings, clamp and so forth. it also receives the transport business for vart customers

    本廠產品規格種類齊全，可提供雙面塗膠、單面塗膠、全自動直線封邊機、雙面塗膠自動直線、手動曲直線、三排、四排、六排、高精度排鉆、精密推臺鋸、 45 - 135鋁框及木製鏡框切角機、往返開料鋸機、硬質合金磨鋸機、液壓壓機等，供應木工機械配件、附件、夾具等，並代辦運輸業務。
  5. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。
  6. The parametric speed of the curve is firstly approximated by the bezier polynomial which takes the lengths of control polygon ' s edges of the direction curve of normal as bezier coordinates. then the corresponding geometric offset approximation algorithm is given. moreover, an offset approximation with high precision is obtained by degree elevation of the direction curve of normal

    首先利用以法矢方向曲線的控制多邊形邊長為b zier縱標的b zier多項式來逼近曲線的參數速度，給出了相應的幾何等距逼近演算法，進一步結合法矢方向曲線的升階獲得了高精度逼近
  7. Through analyzing and comparing, the results are presented below : that applying light structure design and selecting larger elasticity coefficient linear motor can improve greatly displacement output dynamic capability of positioning system and controlling precision of position motion, and this is helpful to meet the demand of increase productivity

    分析比較模擬試驗曲線可知：採用結構輕量化設計、選用較大彈性系數的直線電機等可以大幅度改善定位系統的位移輸出動態性能，提高定應運動的控制精度，並有利於滿足設備高生產率的需求。
  8. Technology of non - damage test for concrete intensity is extensively applied in project testing, as a precise and direct approach. accordingly, the test in this essay makes use of average concrete samples made up of commo - n raw material in boutou, and adopt comprehensive method of ultrasonic elasticity to test the concrete used within one year in boutou. through the regression analysis, we get the regression equation of anti - intensity of these two materials under the given conditions. according to the result, we establish the accurate curve line for comprehensive method of ultrasonic elasticity and provide practiced and non - damage testing approach and calculating method for concrete intensity test and reference for testing staff concerned

    混凝土強度無損檢測技術作為一種簡便快捷準確的測強技術在工程檢測中得到了廣泛的應用，鑒於此，本次試驗通過採用包頭地區常見原材料製成的一定批量常見齡期的不同種類（指混凝土試塊中的粗骨料、混凝土強度等級不同）普通混凝土標準試塊，採用回彈?超聲綜合法對包頭地區齡期不超過一年的現場混凝土進行了大量的試驗，並利用回歸分析，給出兩種骨料混凝土在相應測強條件下的立方體抗壓強度回歸方程，根據實驗結果建立包頭地區精度較高的混凝土回彈?超聲綜合法基準測強曲線，為實際工程的混凝土現有強度評定提供簡單易行的無損測試方法和計算方法，供有關檢測人員參考使用。
  9. Engine is contained in the angular vibrating curves of crankshaft, many scholars do research on the fault cylinder diagnosis by use of the transient speed curves of i. c. engine, and some progresses are acquired, but there are some problems such as the poor diagnosis accuracy in some cases and the limited application range

    內燃機曲軸角振動曲線含有豐富的內燃機作功狀況的信息，國內外許多學者都在研究利用內燃機瞬時轉速曲線診斷故障缸，取得一定進展，但存在精度不高或適用范圍受限制等問題。
  10. Since the company began to resrerch and make radiators in 80 ' s last century, domestically advanced production lines have been adopted in the production. we sim at 100 % conformity of heat impedance performance curve with the testing standards stipulated in st2564 - 85 standard book of " profiled material raditors " which is promulgated by ministry of electronic industry of people republec of china. the radiators are matching heat - radiating components for power semiconductors, generally can be applied to fields of large and small power appliances, hi heat current density utensils, whole - set apparatus, electuonics and electrical devices, etc

    本公司自八十年代初研製生產散熱器系列產品以來，採用國內最先進的生產流水線，工藝精湛，其熱阻特性曲線均按中華人民共和國電子工業部標準st2564 - 85 《型材散熱器》規定的檢測方法，百分之百達到設計要求，是功率半導體器件的配套散熱元件，運用於多種大、小功率電器熱流高密度、整機設備、電子，電器等領域。
  11. The program we made can calculate all kinds of compensating errors of quadric curve whose calculation accuracy can reach 10 - 6mm. the machining tools we devised can perform the functions of interception of quadric curves and errors compensation, which meets the demand of basic movements

    編制出的程序可計算出各種二次曲線的補償誤差，精度可達10 ~ （ - 6 ） mm ，設計出的加工機床可完成二次曲線的截取，補償等功能，滿足基本運動要求。
  12. Both complicated and simple model of transient stability analysis are integrated in the software, applying the model of each component to different degree of precision respectively. joined with the power system diagram editor, the transient stability analysis can be carried out in a graphical way. some auxiliary models are introduced, such as the classes of fault information and swing curves, etc. these models turn out to be essential to make the procedure of transient stability simulation vivid and intuitionistic, with the swing curves of different variables during the transient period being showed and printed conveniently

    針對電力系統各元件模型的不同精確程度，採用成熟的數值解法實現了復雜模型的暫態穩定計算和簡化模型的暫態穩定計算，並與已有的面向對象的電力系統圖編輯器進行了很好的連接，實現了暫態穩定分析的圖形化；實現了故障信息類、變化曲線類等輔助對象，使得整個暫態穩定模擬計算的過程形象直觀，且能對暫態過程中各量的變化曲線進行方便地顯示和列印輸出。
  13. The main contents as follows : 1. studied the ideal second class calibration system, having studied kinds of parameters of the calibration system and environment ’ s influence on the phase difference measurement and have obtained many important results. put forward an engineering calibration system, and obtained the phase difference - - electric conductivity rate curve and analyze the system ’ s error margin etc. important

    本文就這兩大關鍵問題做了深入的研究，主要內容為如下: 1 .研究了相位感應測井理想二級刻度器模型中各種參數和環境對測量精度的影響，得到了許多重要的結論;同時提出了一種工程上切實可行的刻度系統方案，給出了相位差-電導率曲線以及系統誤差等重要參數。
  14. According to the engineering practise data, one method to calculating utmost single - pile bearing capacity is provided after simulating the uniform - section pile " side friction curve by power - function math models. analyse indicates that the method possesses good counting precision

    並結合實測資料，在對等截面樁側摩阻力曲線進行冪函數數學模型擬合的基礎上提出了抗拔樁承載力計算的計算式，分析結果表明：本文提出的計算式具有很好的計算精度。
  15. With the 300mw turbo - generator as an example, the effects of saturation on operational characteristics and the stator and rotor ' s practical dimensions and configuration on the saturated characteristics have been studied ; some work on the grid division strategy considering the practical dimensions and configuration and the precision of the nonlinear finite element equation also has been studied. then the program for calculating and analyzing turbo - generaors " steady characteristics has been compiled and devised

    本文在系統地研究了汽輪發電機運行特性（飽和特性、短路特性、零功率因數負載特性和u形曲線） 、非線性有限元方程計算精度、定轉子實際結構對飽和特性的影響及計及定轉子實際結構時的剖分策略等問題之後，進一步研究開發了適于不同型號汽輪發電機穩態分析的通用性有限元軟體。
  16. When using bp neural network deals with the data of the big numerical value like cost, using common methods of changing concealed node number etc. do n ' t improve the things that the simulated curve is low precision or transpires. so data processing course of network is investigated. a new data processing method is advanced to apply graphics zoom theory

    在用bp神經網路進行建模的過程中，發現對處理費用這種大數值數據時，採用通過改變隱層節點數等常用方法，都無法改善擬合的曲線精度低或出現發散這樣的情況，為此通過研究網路的數據處理過程，提出了一種在網路運行前後應用圖形圖像縮放原理來對數據進行處理的新方法，實例證明了該方法的可行性和有效性。
  17. The paper consist of three parts as follows : 1. the method to calculate formation pressure : the method to calculate formation pressure in this paper is based on the equivalent depth technique, and it extract log characteristic parameters based on log ' s auto - separating and the lithology recognition. the automatization and precision of formation pressure calculation are upgraded

    地層壓力計算技術：以等效深度法為基本原理，輔以測井曲線自動分段和巖性識別基礎上的測井特徵參數提取，建立了本論文所採用的地層壓力計算技術，提高了地層壓力計算的自動化程度和計算精度。
  18. Aiming at drawbacks that environment simulate test laboratory ( estl ) ' s control precision is being dropped, the system digital simulation, the system characteristic analysis is proceeded ; basing on it, intelligence pid control processor, integral desaturation pid control processor, leading adjust control processor ( leading adjust of point of inflection of curve ) is planned, double loop control processors of low temperature system is consummated, so, the new control scheme and control program is formulated ; moreover through control program " simulate debugging and environment simulate test, 18 experimental curves and 19 experimental items is fulfilled totally. it proved that estl ' s control system and control program are successful. experimental result makes it known that the new control plan solves the problem of low control precision

    本論文針對環模室原控制系統存在的控制精度下降等問題，進行了系統模擬及環境模擬系統特性分析，在此基礎上，設計了智能pid控制器、抗積分飽和的控制器、預估補償控制器、完善了低溫系統的雙迴路控制，制定了新的控制方案和控製程序組態，並對其控製程序進行模擬調試及結合實際試驗對其控制系統進行驗證；共計完成了18條曲線， 19個項目的試驗，對其控制系統及控製程序進行了充分的考驗。
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