線性公差 的英文怎麼說

中文拼音 [xiànxìnggōngchā]
線性公差 英文
linear tolerance
  • 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...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 公 : Ⅰ形容詞1 （屬于國家或集體的） state owned; collective; public 2 （共同的;大家承認的） common; gen...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  1. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained ， and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式，建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線，不需要求解非線性方程組，避免了計算可能不收斂的麻煩，簡化了非圓曲線的節點計算過程
  2. The current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist

    我國現行規范gbj7 - 89將這兩者分開考慮，其計算地基承載力設計值的公式是根據彈性地基中應力分佈及土的極限平衡狀態理論為依據而得出的，求地基的沉降變形時則視土體為彈性，這些理論對地基及土的假設與淺基礎地基的實際工作狀態及天然土體的非線性、彈塑性存在一定的偏差。
  3. It is shown by analyzing large test data that the empirical formula presented in the paper has higher linearly dependent coefficient, lower average relative error and relative standard deviation compared with the traditional empirical formula of orthoscopic and power function

    試驗數據表明，本文提出的經驗公式比傳統的直線式和冪函數式經驗公式的線性相關系數更高，且平均相對誤差和相對標準差都低。
  4. 3 ) research direct linear tolerance analysis algorithm

    3 ）研究了直接線性法公差分析演算法。
  5. A formula to solve the initial value problem of homogeneous linear differential equations with constant coefficients is given and a formula to solve the homogeneous linear difference equations with constant coefficients under certain conditions is derived

    摘要給出了常系數齊次線性微分方程組初值問題的一個求解公式，並由此推出常系數齊次線性差分方程組在給定的初始條件下的一個求解公式。
  6. Combined with data from current securities market in china, chapter 3 utilizes statistic and multi - analysis, comparatively researches the differences of the corporate governance structure and management performance between the absolute - controlled and relatively - controlled listed state - owned enterprises, comparatively analyses the structure and the operating quality of board of directors between the absolutely - controlled and relatively - controlled listed state - owned enterprises, gives imperical research on the influence of shareholding alteration upon management performance of the corporations

    論文的研究側重在結合我國當前的證券市場數據，運用統計和多元線性回歸方法，比較研究絕對控股和相對控股的國有上市公司法人治理結構在公司經營績效上的差異性;比較分析絕對控股和相對控股的國有上市公司董事會的構成及運行質量;實證研究股權結構對公司經營績效的影響。
  7. Up to date, all general protection locks sold on the market use asic or eeprom as the hardware design circuit. due to their simple design and easy - to - crack, they are easy to be cracked, and their circuit design s stability is very bad. thus, it does not only protect your product invalidly, but also damage your product s image and increase the cost of technical maintenance service

    目前，一般市面上所銷售的保護鎖產品都是以asic或eeprom為硬體設計線路，由於其設計方法簡單，破解的方法容易，因此破解率極高同時該種線路設計之穩定性亦差，不僅無法有效保護貴公司的產品，同時更可能使貴公司的產品形象受損，並且增加技術維修服務的費用。
  8. The objectives are to minimize a linear function of total completion time and total variation of completion time, a linear function of total waiting time and total variation of waiting time, a cost function based on earliness, tardiness, window size, window location, and a linear function of the due date, the earliness and tardiness for all jobs

    目標函數分別為極小化完工時間和與完工時間偏差和的線性組合，極小化等待時問和與等待時間偏差和的線性組合，極小化提前時間、延誤時間、最早交貨期及窗口長度的加權和，極小化提前時間、延誤時間及公共工期的加權和。
  9. In the last chapter, by introducing the isochronous center of real systems into complex planar and defining complex center and complex isochronous center, a concise linear recursion formula for period constants is given, necessary and sufficient conditions of complex isochronous center ( the time - angle difference theorem ) proved, conditions of real systems with linearizable center and saddle treated unitedly and the isochronous center conditions discussed fully for a class of real planar cubic systems

    在第七章，通過把實系統等時中心引入復平面研究，定義了復中心和復等時中心，給出了等時中心周期常數計算的簡明的線性遞推公式，證明了等時中心判定的充分必要條件（時角差定理人統一地處理了實系統具有可線性化的中心和鞍點條件，並對一類實平面三次系統的等時中心條件進行了完整研究
  10. The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large

    本文主要包括以下內容：從理論上研究並結合實測資料發展了一種比較理想的半經驗溫度場非線性分佈公式，並將有限元方法應用於剛架拱橋結構溫度應力的計算中，對橋梁結構進行整體溫度應力分析；討論了年溫差和日照溫差引起的橋梁結構的溫度效應，表明年溫差引起的溫度效應較小，而日照溫差引起的溫度應力較大且沿梁高呈非線性分佈；分析比較了橋梁結構各個部位的溫度效應的大小，可知截面越小溫度拉應力越大，受力越不利；並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小進行了探討，發現在頂板下緣也會出現相當大的溫度拉應力，並且梗腋的存在反而增加了頂板底部的溫度拉應力；還對幾種相近的剛構式橋型的溫度效應進行了分析對比，總結了這些橋型針對溫度效應的優劣，並提出相應的針對性措施。
  11. The localization of mobile object is accomplished by nonlinear kalman filter. based on the formulae of localization errors, the rules are analyzed, which describe the relationship between the localization precision and the constellation factors, such as constellation shape, the height of satellite. the method to design the constellation is presented with the help of these rules

    論文利用非線性kalman濾波設計了三星時差定位星座對運動目標的定位定速演算法；根據定位誤差的解析公式，利用模擬方法分析了三星時差定位星座的星座構型和衛星高度等因素對定位精度的影響規律，並依據定位精度影響規律，研究了三星時差定位星座的星座設計問題。
  12. A new computational formula to nonlinear adjustment by parameters, in consideration of the second - order terms, is derived in this paper from the precise orthogonality condition equations to nonlinear least squares by analyzing the direct solving process and iterative computing method of the linearized model

    在分析線性化的非線性參數平差的近似直接解法與迭代解法基礎上，利用非線性最小二乘的精確正交性條件方程，推導出顧及到二次項的非線性參數平差的一種新的計算公式。
  13. A new temperature segmentation linear fitting method sieves the problem caused by the nonlinear mapping between the temperature data and the chroma. that is dividing the temperature into some sections from high to low. different temperature section uses different formula

    提出了一種新的溫度分段線性化擬合方法解決溫度數據與色度的非線性映射問題，即將火焰溫度由高向低分成幾個溫度段，不同的溫度段使用不同的運算公式，從而提高了測量的精度，避免了過去方法中試圖用一個標定試驗的公式來求解跨度較大的整個溫度場分佈時所產生的誤差。
  14. Avoiding the use of mathematic models, the fuzzy logical control ( flc ) system meets the control demands of the tunnel ventilation process well which is a nonlinear distribution system. but because of its lacking of learning and adaptive ability, many problems has emerged when using flc : the membership functions of the fuzzy variables cannot be changed, the fuzzy logical rules cannot be modified automatically when environmental variables such as traffic model, average exhaust, etc, are changed. for this reason, the paper uses fuzzy neural network control ( fnnc ) system to improve the control process

    模糊控制系統避開了數學模型，能很好適應公路隧道通風系統非線性和分散式參數特徵，但是模糊控制系統本身的學習和適應能力差，導致了模糊變量各語言值隸屬函數和控制規則不能隨著環境參數（如交通量、基準排放量等）的改變而自動調整和修改等問題，本文將具有強大學習能力的神經網路融合到模糊控制系統中，研究和探討了隧道通風模糊神經控制方法。
  15. Based on the historical space forecast data and corresponding actual data provided by a global semiconductor assembly and test company, the uncertainty of space planning was defined. during this analysis process, linear regression, grey prediction, neural network back propagation algorithm and confidence interval were applied, respectively, to define the uncertainty. compared with those methods, the confidence interval of historical space forecast error, calculated by mathematical statistics, was the reasonable method to define the space forecasting uncertainty

    本文從半導體工廠長期生產能力計劃的頂層即廠房生產面積的計劃展開，對一跨國半導體封裝測試公司提供的廠房生產面積的長期歷史預測數據以及對應的真實數據進行分析，採用線性回歸，灰預測，神經網路bp演算法，基於數理統計的置信區間的求解等方法分別定義廠房生產面積預測的不確定度，經多種方法的比較得出，基於數理統計方法求解出的生產面積歷史預測誤差置信區間能直觀清楚地標定不確定度。
  16. The paper summarized the research for the effects of different grazing intensity on grazing behaviour, grazing grass species and productivity of sheep in recent years, the result showed that : there was a negative correlation between the live weight gain per sheep and the grazing intensity, but there was positive correlation between the live weight gain per hectare and the grazing intensity ; feeding intake of sheep decreased when the grazing intensity become heavier ; there was not significant effect of different grazing intensity on sheep breeding indexes ; as long with the grazing intensity become heavier, the feeding time of sheep increased while resting and idling time decreased, but feeding intake per hundred mouths and daily intake reduced while intake velocity increased ; sheep feeding adaptability is relative ; the light grazing was beneficial to promote mutton quality, but mutton quantity and gross economy benefit was low

    摘要根據近幾十年來放牧強度對綿羊放牧行為、採食植物組成和生產性能的影響進行了綜述，得出以下結論：綿羊的個體增重與放牧率之間呈線性負相關，而公頃增重與放牧率之間呈正相關；綿羊的採食量隨著放牧強度的加重而降低；放牧強度對母羊繁殖性能各指標影響差異不顯著；隨著放牧強度的加重，綿羊的採食時間增加，遊走、反芻臥息時間減少；每百口採食量和日採食量減少，而採食速度增加；放牧綿羊的嗜食性是相對的；輕牧有利於提高肉的品質，但是產肉量低，總的經濟效益不高。
  17. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式，創造了利於交互操作，能有效地減少計算量及數據存儲量的新方法，可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用（ 3 ） nurbs曲線曲面降階應用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論，以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究
  18. In the 3rd section we introduce how to use mathematical model to study financial problems, whose assets running on mixed jump - diffusion process, first we get the famous non - linear feynman - kac formula by fbsde, then let the solution of the bsde be a investor ' s utility function, and it ' s the so - called recurse utility function. second, we can prove that this utility function is a continue viscosity solution of the variation inequality which we get above, and we get the comparison theory. third we can use the result to financial market to study the optimal consumption and portfolio problem or evaluate the american option

    第三章介紹了利用金融資產價格運行基於復合跳躍? ?擴散過程的數理模型來研究金融經濟問題，通過結合運用正倒向隨機微分方程，推導得到著名的非線性feynman - - kac公式，並且將相應的倒向隨機微分方程的解記為投資者的值函數，這也就是通常所說的效用值函數；接著我們可以證明此效用值函數為某一偏微積分變差不等式的連續粘性解，並且得到了比較原則；這些結果可以應用到金融領域用於消費投資組合的選擇或是美式期權的估值。
  19. In order to simplify the calculated procedure, the error coefficient ( r1 ) has been introduced to paper. and so, the criterion formula ( 2. 1 ), which calculates strain and stress in concrete, can be replaced by one - variable formula ( 2. 17 )

    為簡化計算類設計破壞形態時粘貼加固構件的抗彎承載力，本文引入誤差調整系數_ 1 ，將規范混凝土應力?應變公式（ 2 . 1 ）簡化成一階線性公式（ 2 . 17 ）並代入計算。
  20. The decomposition of matrix and the curvature matrix of the nonlinear metric are drawn into the process of formulas derivation and the final computational formulas to adjustment in order to express the formulas succinctly, and to evaluate accuracy and analyze the essence of the nonlinear adjustment conveniently

    為了公式表達的簡潔，精度評定的需要以及非線性平差本質的分析，在公式推導過程及最終的平差計算公式中，引入了矩陣分解及非線性度量曲率矩陣。
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