曲線對點 的英文怎麼說

中文拼音 [xiànduìdiǎn]
曲線對點 英文
curve point
  • : 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...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development

    主要觀歸納如下: ( 1 )城市旅遊是基於城市的發展而發展的,中國城市旅遊可分為古代、近代、現代和后現代四個階段,分別應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊,以及邁向信息時代的城市旅遊,其間體現出不同的城市旅遊發展特徵; ( 2 )經歷不同發展的時期,中國城市旅遊表現出如下的演進規律: 1 )城市旅遊觀念開放程度逐漸增強,城市旅遊的容納度日趨加大,城市旅遊地位的認識從忽視到關注再成為生活的必要因素; 2 )旅遊形式從單一走向多元,新的旅遊形式隨城市發展層出不窮; 3 )城市旅遊的內外部空間聯系從封閉平面走向開放立體,達到網路化、連綿化、分區化、立體化布局; 4 )城市旅遊支持系統從缺失走向健全,達到理性高端; 5 )城市旅遊社會分層從森嚴走向融合,經歷了「小眾旅遊」 、 「大眾旅遊」 ,最終發展到「全民旅遊」 ; 6 )城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」,表現為低開?高走?平穩發展。
  2. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發。為此,本文從測井地質的角度,針當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井形態分維值的地球物理意義? ?變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井網格覆蓋法,編程計算了裂縫性儲層段常規測井(如聲波和電阻率)上分形分維值及其m指數值,進而從以下三個方面qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  3. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節和反節處,其穩定程度取決于該處光壓力負斜率的大小、應勢能的勢阱深度以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  4. The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed

    因此,本論文重大口徑光學系統在高精度光學鏡頭裝校中,因重力變形進行了詳細的分析研究,特別針193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力變形分析,使用algor有限元分析軟體獲得了大量的面形誤差分析數據,然後將這些數據繪成進行比分析,最後提出了減小重力變形的措施與方案,並進行了實驗,驗證了分析結果是正確的,減小重力變形的方法是有效的。
  5. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    高壓背壓式氣動測量用於小量程性尺寸測量的靜態特性的理論工作拐進行了推導,氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  6. The tem shows lots of nano silica particles circumfuse on the surface of the micro fe particles after the micro fe coated by silica. the sem analysis shows the same result. the vsm shows the micro fe particles have almost no remnant magnetism and coesive. the saturation magnetization decrease with the feed content of teos remenant magnetization and coesive are little

    隨著teos的投料的增加,材料飽和磁化強度呈下降趨勢,微米粒子磁化通過原,表面包裹后,剩磁與矯頑力變化很小于微米鐵粉,其磁疇變化較快,沒有剩磁與矯頑力。
  7. Furthermore, the current research about body measuring and modeling is just for costume and military affairs, and pay more attention to the head dimension and shape. with the development of human nature during the manufacturing, body cad model is widely applied in industry design, ergonomics, engineering design, humanics research and iatrology research. the body cad model also can be the basic data for the design of respirator

    本文使用nurbs面直接擬合的方法測量的雲進行面重構,將系統的優化方法應用到nurbs面重構中,利用插值測量雲進行分塊處理,解決用nurbs面擬合中面的光順與面與雲的誤差之間的矛盾問題,使反求模型中各面片之間相互連接、光順過渡且能夠反映出人體頭部的細部特徵。
  8. The property of the recall - precision curve of a general retrieval algorithm and the k - means clustering method are used to realize the expansion according to the distance of image features of the initially retrieved images

    擴展主要利用了一般檢索演算法的查準率查全率原始查詢結果的圖像特徵距離應用k -均值聚類演算法,確定多個查詢示例圖像。
  9. Second, this paper analyzes the relation of reactive support service with voltage, power limit curve, transaction amounts. according to the power limit curve, this paper analyzes the source of the reactive cost to get an interzone cost function. using marginal cost theory, it concludes that the reactive spot price is the derivative of the cost function in generator buses

    另外,本文還從發電機角度上分析了無功服務與電壓、功率限制、發電機向負荷傳輸電能大小的關系;根據功率限制發電機無功成本的來源進行詳盡剖析,從理論上確定一個分區間的成本函數;並依據短期邊際成本理論可推出,計算發電機節的電價可採用無功成本函數的偏導數的方法。
  10. By analyzing the existing algorithms, we present a new pixel - level algorithm for generating parametric curves by dividing the segments

    此,我們在現有參數生成演算法的基礎上,提出了一個新的分段繪制參數的方法。
  11. Presents a new method of constructing boundary conditions for nurbs interpolotion, which makes it unnecessary to know the deriratives of curve ends, and solves the problem of zero curvature at curve ends, and enables designers to control the shape of the two end segments of curve easily and freely by simply adjusting the curvature coefficients and discusses the influences of curvature coeffients on the shape of the end segments of curve

    提出一種新的用於nurbs插值的構造邊界條件的方法.該方法不需要已知的切矢,並且解決了端率為零的問題;它使得設計者可以通過簡單地調整首末端率參數便可以隨意地且很容易地控制首末兩段的形狀.最後還討論了率參數的取值端部形狀的影響
  12. The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

    國外生產的汽車動力轉向泵是用數控機床加工的,其噪聲值為71db ( a ) ,國內生產的汽車動力轉向泵是用靠模方法加工的,其噪聲值分別為73db ( a )和75db ( a ) ,為了分析定子泵的噪聲的影響,本人用三坐標測量儀定子內表面進行精密測量,獲得定子內表面的離散坐標,以matlab語言為工具離散進行擬合,觀察擬合效果,然後,用回歸方法求出了定子過渡的方程,並把該方程與理論方程標準型進行了比較,得出如下結論:用數控機床生產的汽車動力轉向泵的定子過渡方程非常接近理論5次標準型,而用靠模方法加工的汽車動力轉向泵的定子過渡與理論5次標準型相比較,則存在著較大的誤差,結合噪聲測試結果可知,定子過渡的優劣,泵的噪聲大小有著重要的影響。
  13. Based on the model of perspective projection where the camera is fixed whereas the object is motive, the problem of recovering the three - dimensional motion and structure of a rigid object from image sequences by using of correspondence of conic curves is researched

    本文基於視固定而物體運動的透視投影模型,研究了使用二次應從序列圖像恢復剛體三維運動和結構參數的問題。分別研究了剛體作純旋轉運動和純平移運動時,剛體運動參數的求解問題。
  14. Above all, the surface of the gas turbine blade including stator and rotor heat transfer coeficience with no film cooling hole was studied with the main stream reynolds number of 150000, 200000 50000, 300000, 350000, 400000. then, the heat transfer coefficience when all cooling holes opened and only one cooling hole opened was studied partly. and it ' s studied how the mainstream reynolds number, blowing ratio and the position of holes affect the heat transfer coefficience of the surface of blade

    導葉和動葉,都是先研究了在150000 , 200000 , 250000 , 300000 , 350000 , 400000雷諾數下,沒有氣膜冷卻時的表面換熱系數分佈,然後研究了氣膜孔全打開和只打開單排孔時的表面換熱系數分佈,重研究來流雷諾數,吹風比和不同孔位出流換熱系數分佈的影響規律。
  15. The load - displacement curves and moment - curvature curves that calculated from the full - course analysis program are in accordance with the resuits of experimental especially in prime period of ioad presents the program is avaiiable

    試驗和全過程分析得到的荷載-撓度比表明:在加載前期兩者的吻合較好,證明全過程分析能反映碳纖維加固梁的受力特及程序的正確性。
  16. Meanwhile it can serve as reference for government to issue bonds, supervise bonds, implement monetary policy and adjust interest rate. the important issue of the research of yield curve is to discover the quantitative relation between yield to maturity and years to maturity by the analysis of the past trading data so as to calculate the theoretical yield to maturity and predict the forward interest rate of any years to maturity in the future

    研究國債的利率期限結構(國債收益率)重要解決的問題是通過國債交易的歷史數據的分析,找出國債收益率與到期期限之間的數量關系,從而能夠準確地推算擬合上任意的理論收益率,並預測出將來任意給定期限的國債所應的遠期利率。
  17. The important issue of the research of yield curve is to discover the quantitative relation between yield to maturity and years to maturity by the analysis of the past trading data so as to calculate the theoretical yield to maturity and predict the forward interest rate of any years to maturity in the future

    研究國債收益率要解決的問題是通過國債交易的歷史數據的分析,找出國債收益率與到期期限之間的數量關系,從而能夠準確地推算擬合上任意的理論收益率,並預測出將來任意給定期限的國債所應遠期利率。
  18. We compare the b - spline curve interpolation and b - spline surface interpolation, analyze the fault of the b - spline curve interpolation and point out that we should use b - spline surface interpolation instead of b - spline curve to keep the continuity of the data result. also, we introduce the way to get control point from value point. then we propose the multi - step fitting of the dense and scattered data to construct b - spline surface, this algorithm perfectly resolve the obstacle of denseness and scattering of the contour line data

    第三章介紹了b樣條插值原理,論述了用b樣條面代替b樣條等高進行插值,解決了插值的不連續問題;並在b樣條面中運用了密集散亂數據多步擬合演算法,解決了等高進行b樣條面插值中數據散亂冗餘的問題。
  19. The coating mass results found by gd - oes ( integrating from the coating surface to the cross point of sn and fe curve ) were consistent with those obtained by chemistry

    輝光光譜法與化學法測定樣品鍍錫量結果比發現,化學法所得結果與本方法中積分到錫鐵處的結果一致。
  20. Finally, this paper detailedly introduces the application of preloading method combining with vacuum stack - load in the practice of a freeway project. three sorts of experience calculation method of final settlement which based on the settlement data measured in - site are contrastively analysed, and points out the hyperbola method be recommended for settlement predicted because it accord with the actual instance of guangdong pearl river delta area, and bring up the range of settlement correcting coefficient corresponds to the characteristic of the region

    最後,本文結合某高速公路工程實踐,詳細介紹了真空聯合堆載法在高速公路上的應用,並利用實測沉降三種預估最終沉降量的經驗方法進行了比分析,提出了雙法計算最終沉降量較符合廣東珠三角地區,並提出較符合地區特的沉降修正系數取值范圍,可供類似工程參考。
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