球面三角 的英文怎麼說

中文拼音 [qiúmiànsānjiǎo]
球面三角 英文
spherical triangle
  • : 名詞1 (以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體) sphere; glo...
  • : 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...
  • : Ⅰ數詞1. (二加一后所得) three 2. (表示多數或多次) more than two; several; many Ⅱ名詞(姓氏) a surname
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • 球面 : spherical surface; sphere球面艙壁 spherical bulkhead; 球面車床 spherical turning lathe; 球面反射...
  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,進而從以下個方對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. Until about 1450 spherical trigonometry consisted of loose rules based on greek, hindu and arabic versions.

    差不多直到1450年球面三角的內容由一些不嚴謹的法則組成,這此法則的基礎是希臘、印度和阿拉伯譯本。
  3. A scheme to enclose the peninsular delta of the north bull at dollymount and erect on the space of the foreland, used for golf links and rifle ranges, an asphalted esplanade with casinos, booths, shooting galleries, hotels, boardinghouses, readingrooms, establishments for mixed bathing

    築一道堤壩,把多利山的北公牛那半島狀洲圈起274 ,用來修高爾夫場和步槍打靶場,前那片地上鋪一條柏油散步路,兩側是賭博場貨攤射擊練習室旅館公寓閱覽室和男女混合浴池。
  4. In order to increase pointing precision, the error caused by inductosyn and ad2s80a are analyzed as a focus, consequently, high precision inductosyn is used, then current iscompensated and finally the input and output differences are adjusted when

    根據衛星軌道姿態,運用球面三角形找出衛星及星下點與目標點之間的關系,建立了指向反射鏡與目標點的度關系。
  5. Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated

    文摘:為了保證靜電監控器的導航定位精度,需要了解靜電陀螺的姿態誤差特性,建立相應的誤差方程.本文採用球面三角形原理推導了導航定位誤差與陀螺姿態誤差的關系式.模擬結果表明,由初始定向誤差引起的經度誤差和距離誤差的時間特性是周期變化的;由陀螺漂移引起的經度誤差和距離誤差是隨時間發散的.因此,初始定向誤差和陀螺漂移的影響不能忽略,必須對其進行估計和補償
  6. For every large time intervals and for stars near to the pole, it is necessary, however, to use the exact formulae of spherical trignometry.

    對于很長的時間間隔和靠近極星的恆星,必須使用精確的球面三角公式。
  7. Set all 22 balls up in a triangle beneath the pink spot

    在粉置點的下,把所有的22隻擺放成一個形。
  8. Based on the synthetic research of field outcrops, drilling section, well log and office compilation, combined with analyses of geological background, lithological association, sedimentary texture, sedimentary structure, geochemical and palaeobiological features, the researched area in the palaeozoic can be divided into deltas, braided deltas, lacus, barrier coast, continental shelf and carbonate platform etc. six kinds of sedimentary facies

    在野外露頭、鉆井剖及測井曲線的綜合研究和室內編圖基礎上,綜合地質背景、巖性組合、沉積結構、沉積構造、地化學及古生物學特徵,研究區古生界被劃分為洲、辮狀河洲、湖泊、障壁海岸、陸棚及碳酸鹽臺地等6種沉積相類型。
  9. The current trends of this field is to acquire the current density of dipole distribution rather than a few dipoles. based upon that, a new model was proposed - dipole layer localization method ( dllm ) : spherical dipole layer was used as source model, on which dipoles were distributed by equilateral triangles ; three concentric inhomogeneous sphere was used as head model, which contains scalp, skull and cortex with different conductance. the dipole distribution and scalp potential tomography were obtained with singular value decomposition ( svd )

    鑒于該領域的研究趨勢已從求取少數偶極子過渡到偶極子分佈密度的獲得,本文提出了新的模型? ?偶極定位方法( dipolelayerlocalizationmethod , dllm ) :以等邊形均勻分佈的偶極子構成的偶極)作為源模型;包括頭皮、顱骨和皮層的層同心介質作為頭顱模型,運用奇異值分解來求解逆問題,從而獲得偶極子分佈和頭皮電位分佈,實現維成像。
  10. China is one of the countries which are harmed by storm surge both tropical and temperate cyclones, the disaster of storm surge can occure every seasons and from south to north in china ' s coastal area. based on the analysis of the features of temporal and spatial changes of storm surge disaster in the recent 50 years, this paper focuses on the frequency changes of historical records in recent 500 years and measured data in recent 50 years of storm surge disaster and the relationships between storm frequency change and climate fluctuation. meanwhlie, the effects of future increase in the frequency of tropical cyclones landing or affecting china and relative sea level rise with global warming on storm surge disaster of china ' s coastal area also discussed. the results show that, in recent 500 years, there are direct relationships between storm frequency change and climate fluctuation, i. e., high global mean temperature correspond with high storm frequency and low mean temperature correspond with low storm frequency. storm surge disaster in china ' s coastal area will be exacerbated with global warming

    中國是全少數幾個同時受臺風風暴潮和溫帶風暴潮危害的國家之一,風暴潮災一年四季,從南到北均可發生.本文基於中國沿海近50年風暴潮災時間變化和空間分佈特點的分析,著重探討了近500年全國及長江、黃河、珠江洲的歷史記錄和近50年實測風暴潮災發生頻次的變化及其與氣候波動的關系,並對未來全變化背景下,中國沿海風暴潮災的變化趨向進行了討論.結果表明:近500年來,中國沿海的風暴潮災在氣溫較高的偏暖時段比氣溫較低的偏冷時段明顯增多.近50年實測臺風暴潮災的變化也是如此,而溫帶風暴湖的變化則與此相反.未來全變化引起的登陸影響中國的熱帶氣旋頻次增加和相對海平的上升,均將導致風暴潮災呈加重的趨向
  11. Through data processing in advance, etc, reduce the calculating tension. solve a series of problems, especially the coordinate change of the sensors, located points between sphere coordinate and three - dimensional coordinate

    通過數據預處理等一些途徑減少任意形定位的計算量,解決了傳感器、定位點的坐標,二維直坐標的轉換問題。
  12. The application of spherical surface triangle on the quantization of sun circle daily turn around

    運用球面三角知識量化太陽周日視運動規律
  13. This paper discusses in detail the range of lon gitude of ascending node of the orbits, by which point and area targets can be c o vered in different conditions by considering the disturbance of the earth shape j2 using a sphere triangle method, and provides a whole analytic expressio n

    利用球面三角方法詳細討論了在考慮地形狀j2項的攝動影響時,各種情況下能覆蓋目標點的軌道的升交點經度范圍,並將其推廣到對區域目標的覆蓋,給出了完整的解析表達式。
  14. Four parameters for determining the type of circuit of spherical four - bar linkage are defined. according to the relationship of these parameters, three types of circuit of spherical four - bar linkage are found, which is proved in view of geometry point. base on the theory of sphere triangle, an approach of identifying the circuit and branch defect of spherical four - bar linkage is proposed

    首先提出了四個迴路類型判斷參數,根西安理工大學博士學位論文據這些參數之間的關系,將4r機構迴路分為種類型,並從幾何的觀點進行了證明;然後基於球面三角理論,提出了4r機構迴路及分支缺陷識別的轉符號法,而由空間第一組機構與其等效4r機構迴路特性的等效性,此方法對空間第一組機構的迴路和分支缺陷的識別同樣有效。
  15. In proc. geometric modeling and processing gmp 04, beijing, china, 2004, pp. 279 - 290

    同時,該方法適用於平和流形上的b樣條。
  16. Solve the problems that data jam, collecting data. etc. and work out a series of software accompanied to the testing system

    該軟體已用於對1000m ~ 3形壓力容器進行任意形定位與數據分析。
  17. This paper is composed of two parts including 5 chapters. in the first part ( including chapter 2 ^ 3 ), this paper explains an improved geometry - model method to eliminating eclipse shadow, using satellite imaging theory and projection theory to convert plane rectangular coordinates into rectangular spherical coordinates. otherwise, through studying eclipse ' s shape and size, this paper uses a math - function - model to eliminating eclipse shadow

    本文共有五章,主要內容分為兩部分;第一部分包括第二、章的內容,利用可見光雲圖成像原理以及點的投影法,將平雲圖投影到維直坐標的上,對用於雲圖陰影訂正的原幾何模型法加以改進,得到改進的幾何模型法,並進行日食陰影訂正實驗;本文還利用數學函數模型法,通過研究月在地投射陰影的形狀及其受影響程度,從另一方進行可見光雲圖日食陰影的訂正實驗研究。
  18. Put forward the technology that locating the defects with spherical surface freewill triangle, estimating the validity of located points with the method of projection the first time

    開展任意形定位技術研究。首次提出任意形定位,投影判斷定位點有效性的定位方法。
  19. The triangular rational bezier representation of cylindrical helix and the generation of the nurbs curves on sphere are discussed in detail

    具體討論圓柱螺旋線的有理b zier表示和nurbs曲線的生成。
  20. Winter, the innovator of the triangle offense, has always remained on the periphery of college and pro basketball. team play is crucial. individual play is secondary, he says

    這位進攻的改革者(我不知道進攻是誰發明的,只有按書意思了) 。他堅信,籃是整體籃,個人單條是應該排在第二位的。
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