求曲線長 的英文怎麼說

中文拼音 [qiúxiànzhǎng]
求曲線長 英文
rectifying
  • : Ⅰ動詞1 (請求; 要求) ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • : 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...
  • : 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...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The trajectory of antisubmarine homing torpedo is a complex space curve, so there is big limitation in accounting its trajectory length by plane geometry

    由於反潛自導魚雷的彈道是一條復雜的空間,因而平面幾何解析法解其彈道度有較大的局限性。
  2. The distribution of the shearing force along the rod can be obtained. in process of analysis, standard calculating software matlab is used to compute some examples and draw the shearing force distribution curve. then the distribution character was obtained throughway the analysis of this picture

    解過程中使用標準計算軟體matlab ( 5 . 3edition )進行數個算例的計算,然後使用該軟體的函數可視化功能繪制剪力沿桿體度的分佈,最後通過對圖象的分析得出壓力型錨桿剪力分佈的特徵。
  3. The tm mode dispersion equation of the coaxial bwo in the infinite guiding - magnetic field is derived and solved numerically. the dispersion curve, operating frequency, and the growth rate are obtained

    採用性理論推導了無窮大引導磁場下的同軸tm模式色散關系式,並編程數值解了一定條件下的色散、時間增率、空間增率。
  4. 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,出撓函數(試解函數)通解,得到弧形鋼閘門主框架柱穩定性計算度系數方程。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。
  5. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  6. To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. the research is divided into four parts : 1 ) taken all forces the piston endured into consideration when radial piston motor working, the force between roller ( or ball ) and orbit is deduced. the simple style of the press expression can be confirmed by ignoring minor influence factors after analysis all factors that will influence this press

    靜壓傳動技術在各類工程機械中得到廣泛的應用,對作為其核心部件的徑向柱塞式低速大扭矩液壓馬達的研究顯得十分重要,為了能直接對這種馬達進行壽命估計,並能在相同工況下得壽命最的軌道,本文從設計等接觸應力內的角度對這類馬達作探討性的研究,主要從以下四個方面進行: ( 1 )綜合考慮徑向柱塞式液壓馬達工作時的各種主要受力狀況,對柱塞組件進行受力分析,並通過模擬分析影響軌道和滾動體間正壓力的各個因素,得到正壓力的簡化表達式。
  7. The curvature increment method is used for the solution of the nonlinear algebraic equations

    對應每個率增量,可柱在相應狀態下的一條變形
  8. For each load incremental step, a deformed curve for the corresponding state can be determined

    對應每個荷載增量,可柱在相應狀態下的一條變形
  9. The paper points out the effective demand lacking result in the effective supply lacking. we should not discard the demand management policy in short term, but should improve the consumption environment. in long term we should try our best to increase effective supply, the increase in effective supply and the expanding of the produce possibility curve is essence of economy development

    短期內需管理政策不應偏廢,但應從改善消費環境入手,擴張的財政、貨幣政策在期內不僅無效,而且會帶來不可預料的後果,不可持久;著力增加有效供給也應是中期政策的著力點,有效供給的增加和生產可能性的有效擴展才是經濟發展的實質所在。
  10. The long term strength prediction method is put forward under the assumption that cohesion c varies in the same way as friction angle, and shearing stress varies in the same way as normal stress

    依據雙應力應變關系,假設堆石結構強度c與內摩擦角的變化規律相同,剪應力與法向應力的變化規律相同,得出堆石期強度的解方法與過程。
  11. The text computes the eigenvalue of double ridged waveguide, single ridged waveguide and unsymmetry ridged waveguide, transmission of three kinds of ridged waveguides with ridge on the narrow wall are solved for and the useful curves on cutoff wavelength, bandwidth and field pattern are presented

    編程計算了雙脊、單脊和不對稱脊波導的特徵值,解了三種脊位於窄邊的脊波導的傳輸特性,並給出了截止波和單模帶寬以及場結構變化。
  12. Secondly, the author firstly demonstrates that the demand regulatory policy could keep the currency value correspondingly stable and make economy go up more quickly, employing the image diagram of curves. and then the author effectively demonstrates that the relativity of between price, output and monetary aggregates is closer, employing co - integrated theory, the vec ( vector error correction ) model and the variance decomposition method for analyzing quarterly data from 1996 to the third quarter of 2005

    其次,在運用形象的圖分析現階段需管理政策可以使我國在保持幣值相對穩定的條件下實現經濟較快增的基礎上,運用協整檢驗、 vec (向量誤差校正)模型和方差分解方法分析了1996年以來貨幣供應量、物價和產出的季度時間序列,有力地論證了貨幣供應量與物價、產出間具有較強的相關性。
  13. For the cranes which arm angle and length is alterable, its utmost hoist competence is changeable. so we must found the characteristic curve math model of the crane. then the plc programme can provide protection for the crane working according to the math model

    對于臂桿角度和度可變的起重機而言,其起吊重量極限值是變化的,這就要事先建立這類起重機的起重特性的數學模型,然後再讓plc程序按照給定的數學模型對起重機進行安全作業保護。
  14. A variable is sampled in a certain increment, and introduced into the equations. there are two sets of any two equations to be solved. the real solutions of the two sets are protracted in spatial coordinate system to obtain two curves, so that the intersection points of the two curves can be found as the solution of the original equations

    針對所得三元高次多項式方程組,採用數學分析軟體mathematica編製程序,以一定的步增量,在一定范圍內取一個變量的值,並將其代入方程組中,解其中一個方程分別與另外兩個方程聯立的方程組的解,將得到的實數解繪製成兩條空間,其交點即為原三元方程組的解。
  15. Abstract : in this paper, the stress field in a long rectangle platen being upset ( after bulge profile emerging ) is resolved by mathmatic analytic metho d, the tension stress zones formed elliptic shape curves in upset are found thro ugh quantitative calculation, the relation between the zones and the basic upsett ing parameters is obtained

    文摘:本文用數學解析法解了矩形板鐓粗時(出現鼓肚)的應力場,定量計算出鐓粗體內存在呈橢圓的拉應力區,並得出拉應力區與鐓粗基本參數的關系。
  16. The theories of multi member function ' s extremity value, hooke jeeves mode searching method solving wholly complex problem of extremity value and uniformity design method, one new and efficient method to choose test point, are applied to establish the two - dimension oil well orbit optimized model. the shortest length of oil well orbit curve is regarded as this model ' s object and all kinds of effecting parameters are analyzed

    通過引入多元函數極值理論、解復雜極值問題的hookejeeves模式搜索法及一種較為新穎和高效的試驗點選擇方法:均勻設計法,建立以最短油井軌跡為目標的二維油井軌道優化設計模型,並對影響井軌跡的參數進行了較為詳細的分析。
  17. Nc machining requires " interpolation " algorithms that accurately and efficiently generate sequences of reference position, distributed according to a prescribed feedrate function, along the tool paths. this paper present a systematic derivation of the proper taylor series coefficients for variable feedrate interpolators. when the path is ph curves, detailed formulations for instances are presented where the feedrate v is specified as a constant, the function of the time t, the arc length s and the local curvature k

    對于nc加工要插值演算法沿著刀具路徑準確、有效的生成參考點序列(根據預先指定的速率函數進行分佈)的實際工程需要,本文系統地推導了變速率插值運算元的泰勒系數,給出了當路徑為ph,速率v為常數,及時間t 、弧s 、率k的函數時具體的插值運算元。
  18. Base on the ideal sampling theories, fiber length distributions and figrogram of samples taking from the ideal sliver by actual sampler are studied, and factors affecting the distributions curves are researched into, some basic requests and references of sampling are concluded for the future developing of sampler

    摘要在理想的截面取樣理論基礎上,進一步研究了具有一定寬度的取樣夾持器以一定角度從「理想棉條」中取樣時試樣的理論分佈及照影機,並結合實驗分析了取樣影響因素;根據研究結果得出了棉纖維度測試的取樣要,為取樣器的進一步開發提供了參? 。
  19. One is to derive the optimal prediction and the other is to find its necessary and sufficient conditions. there is, however, a more design matrix in this model than is in multivariate linear model, which has caused difficulties such as solving a exceptional unlinear matrix equation groups especially when deriving the optimal prediction

    但是因為一般增模型比多元性模型多一個設計陣,這就給研究帶來了很大的困難,特別是在解模型的最優預測時,遇到了一類特殊的非性矩陣方程組,所以在一般情況下我們既無法出模型的最優預測,也無法找到存在最優預測的充要條件
  20. The new improved least mean square algorithms can resolve the question after the actions which include looking for a appropriate graph, designing the formula and amending it

    新演算法通過尋找符合要函數,設計關系表達式,經過對公式進行變換和修正,得到一個可以滿足要的誤差和步之間的函數式。
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