覆蓋曲面 的英文怎麼說

中文拼音 [fùgěqūmiàn]
覆蓋曲面 英文
covering surface
  • 覆 : 動詞1. [書面語] （蓋住） cover 2. [書面語] （底朝上翻過來; 歪倒） overturn; upset 3. 同 「復」 （Ⅱ1. 2. ）
  • 蓋 : 蓋名詞（姓氏） a surname
  • 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...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 覆蓋 : 1 （遮蓋） cover; overlap 2 （植被） plant cover; vegetation3 （保護層 覆蓋物） cover; covering; ...
  1. 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，對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點。為此，本文從測井地質的角度，針對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，通過對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曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜，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曲線網格覆蓋法，編程計算了裂縫性儲層段常規測井曲線（如聲波和電阻率曲線）上分形分維值及其m指數值，進而從以下三個方面對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。
  2. The results show that : the main driving forces of arable land change of shouguang county are the per capita income, the ratio of the pasture output value, the ratio of the cropping output values and the ratio of agricultural labor force proportion ; the main driving forces of arable land change of quzhou county are the variation of grain yield per unit area, the ratio of the pasture output value, the ratio of the cropping output values, the ratio of grain field areas and the population density

    結果表明：壽光市耕地變化的主導驅動力包括人均收入、牧業總產值比例、種植業總產值比例和農林牧漁業勞動力；曲周縣耕地變化的主導驅動力包括糧食單產、牧業總產值比例、種植業總產值比例、糧田面積佔耕地面積比例和人口密度。在此基礎上，揭示縣域尺度上耕地變化的驅動機制，並為進一步進行土地利用覆蓋變化研究積累方法和經驗。
  3. Geometric modelling : algorithms and new trends, g. farin ed., siam, philadelphia, 1987, pp. 235 - 246. 20 loop c. smooth spline surfaces over irregular meshes

    3構造擬插值曲面，它覆蓋四邊或三角域上的曲線網格並部分插值于其上法向量。
  4. The exact expression is n = 4 ", in which n is the stage of koch curve. since we only consider one generator in computation process, so we simplify it as n = 4 ). the critical point of this kind of koch curve is zero, also called zero temperature phase transition, and this is the character of all the limited branching systems

    無分支科赫曲線是一種典型的分形，前人的研究都局限於n = 4 （ n是用線元，面元，或體元覆蓋分形系統所需要的覆蓋次數，確切的應該寫成n = 4 ~ n ，其中n為科赫曲線的級，但我們在重整化群計算時只考慮一個生成元，所以簡化為n = 4 ）情況，這種科赫曲線的相變點為零，是一種零溫相變，這也是有限分岔系統的相變特徵。
  5. Moreover, taking the fatlute model of the covering parts of motorcycle for an example, it discussed the measurement plan method of prototype and the process of data handling. 2. pretreatment of points cloud according to the characteristic of scattered point cloud data, the issue elaborated in detail points cloud registration, which was based on the shape characteristic matching

    論文運用一級模糊綜合評判方法研究了復雜曲面產品的數字化策略，並以摩托車覆蓋件油泥模型為例，討論了樣件的測量規劃方法和數據的處理流程； 2 、點雲數據的規范處理針對散亂點雲數據的特點，詳細闡述了基於形狀特徵匹配的點雲對正方法。
  6. Presented four methods of laser collimation, realized 3 of them with the software of zemax, and meted the requirement of the system design ; 3. realized the laser beam expanding from point - laser to line - laser wide enough to cover the flange trackside ; 4. after image grabbing and processing, picked up the profile of the train wheel

    作者獨立完成的工作包括： 1 、提出了曲面測量的光學系統的整體方案； 2 、提出了四種激光擴束的方案，用光學設計軟體zemax完成了其中三種的設計；經過像差分析和追跡，達到了準直擴束的要求； 3 、點光源到線光源的單方向擴展，達到了覆蓋輪緣踏面的要求； 4 、通過實驗採集圖像和圖像處理，提取出被測輪緣的輪廓。
  7. Method for generating additional surface in die face design of automotive panel

    汽車覆蓋件模面設計中補充曲面的生成方法
  8. By virtue of the design features of the mania dam, this paper studies the dynamic characteristics of the dam materials. by comparison with other similar projects, it presents a curve for dynamic characteristics of clay core materials and rockfill materials, makes analysis on the dam ' s plane dynamic response by finite element method, calculates the dam ' s seismic acceleration, the dynamic shear stress of the rockfill, and the dynamic stress of the cutoff wall in the overburden layer

    本文針對滿拉土心墻堆石壩的設計特點，進行了築壩材料動力特性試驗研究，通過與相關工程對比給出了心墻料和堆石料的動力特性曲線，採用有限元方法進行了大壩平面動力反應分析，計算了大壩的地震加速度、堆石體動剪應力及覆蓋層防滲墻的動應力。
  9. Kfc ' s model is a trilogy : to fully consider the soft resources and hard resources ; to create a business model and use brand to coverage it

    肯德雞的這種模式是三步曲：軟資源，硬資源全面考慮；創造出一種經營模式；把這種模式用一個品牌加以覆蓋。
  10. Then the reconstruction of curved surface of the covering parts was taken for an example, and the emphasis is laid on the identification and extraction method of the characteristic and the boundary, and the reconstruction method of curved surface. meanwhile it was given emphasis to the partition strategy of the data of point cloud, the forward direction design of the process of re, and so on

    在此基礎上，以覆蓋件曲面重構為例，重點研究了點雲數據的分塊策略、曲面特徵的識別和提取方法、曲面邊界提取和曲面重構方式，以及反求過程中的正向設計等。
  11. Roofing and wall cladding - determination of the bending characteristic resistance - conventional test method for bending of self - drilling and self - tapping fasteners longer or equal to 70 mm

    屋頂和墻面覆蓋層.耐彎曲性的測定.大於或等於70mm的自鉆孔或自攻絲緊固件的常規彎曲試驗方法
  12. The application of assembly - oriented cad modeling technology in reverse engineering is also presented ; the assembly - oriented data measure method is put forward ; the assembly - oriented surface reconstruction technology is analyzed. with the project " the construction of digital mock - up for a mini - car " supported by an automobile corporation, ltd. and the project " the rapid development and variant design of some brand of motorcycle " supported by a motorcycle corporation, the author summarizes the experience of assembly modeling for digital prototyping, and provides sound proof for the viewpoints in the thesis

    對覆蓋件產品的裝配模型進行了描述；提出了覆蓋件裝配建模的一般流程；詳細研究了覆蓋件的cad裝配建模技術；對面向裝配的cad建模技術在覆蓋件產品反求設計中的應用進行了研究，介紹了產品覆蓋件的反求流程，提出了基於裝配的數據測量方法，分析了面向裝配的曲面重構技術。
  13. Secondly, based on the theories of computer graphics and computer aided geometric design, and according to the traits of automobile panels, the related theory and experience about 3d geometric expressing of automobile panels are described. it is studied to the constitution methods of typical surfaces forming the surfaces of automobile panel, fairing quality and error analysis and optimization of reconstruction surfaces, and the storage structure of " half " edge for 3d model, data changes in different stamping steps and data exchange among the different software

    然後，在計算機圖形學和計算機輔助幾何設計等理論的基礎上，根據汽車覆蓋件的特點，歸納總結了適用於汽車覆蓋件三維形體幾何表達的相關理論和經驗；研究了構成汽車覆蓋件曲面的典型曲面構造方法，重構曲面的光順品質分析、誤差分析與曲面品質優化的方法，三維重構模型的「半」邊數據結構、不同沖壓工序中的數據演化以及不同軟體平臺之間的數據交換；提出了根據周邊曲面的形狀特點構造交匯曲面的方法。
  14. This paper describes the approach of constructing the three - dimensional digital fairing covers with class a surface by the way of giving an example of designing the fairing cover of a new motorcycle, and offers a feasible way to the construction of advanced smooth surface of motorcycle fairing

    摘要本文通過摩托車整車外觀覆蓋件全新開發的實例，具體描述了覆蓋件a級曲面模型的三維創建方法，提出了建立具有光順曲面的摩托車覆蓋件三維數字模型的設計思路。
  15. Abstract : the normal theorems of quasimeromorphic mapping of severalcomplex variables are proved with the method of covering surface

    文摘:文章應用覆蓋曲面的幾何方法討論了多元擬亞純映射的正規定理
  16. This paper introduces some key technologies used in reverse engineering of tractor covering panel, such as cmm fitting of surface, reconstructing of surface, smoothing of surface etc

    摘要介紹了施拉機覆蓋件逆向工程中的若干關鍵技術，諸如，三座標測量技術、曲面擬合技術、曲面重構技術、曲面光順、曲面片的拼接等技術。
  17. To classify vehicle cover panels ' surface based on identifying the sections

    基於截面線方法的汽車覆蓋件曲面識別
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