覆蓋維數 的英文怎麼說

中文拼音 [fùgěwéishǔ]
覆蓋維數 英文
covering dime io
  • 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
  • 維 : Ⅰ動詞1 （連接） tie up; hold together; link 2 （保持; 保全） maintain; safeguard; preserve; keep ...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 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. Fortunately, the modern geodetic measurements such as the global positioning system ( gps ) technique can overcome the shortage of the geological and seismographic methods in the time dimension ; and yet, the coverage of the geodetic survey stations is not sufficient. as a result, it is necessary to employ numerical simulation to investigate the continuous deformation of the crust

    而以全球定位系統（ gps ）等技術為主的大地測量方法彌補了地質和地震學方法在時間維上的不足，但大地測量方法存在測點覆蓋不足及測點地理分佈不均勻的缺點，因此，要得到連續的地殼形變場有必要藉助數值模擬方法。
  3. Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion

    在線性海浪假設下，基於孫孚（ 1988 ）關於三維海浪要素統計分佈的理論框架，具體給出二維海浪波峰處質點水平速度和表觀相速的聯合分佈等分佈函數，在此基礎上，根據運動學判據，分別建立起風浪破碎率和白浪覆蓋率的理論模式。
  4. Defaults in a cube role are derived from the database role of the same name, but some of these defaults can be overridden in the cube role

    多維數據集角色中的默認值是從同名的數據庫角色中派生的，但這些默認值中的一部分可在多維數據集角色中用其他值覆蓋。
  5. Abstract : an easy method for determining the lateral fold number of 3 - d seismic swath is presented. it is described in details that the non - vertical time error and selection method of vertical line direction. based on existing conditions of 3 - d seismic data acquisition in coal field, an assumption of 3 - d broad azimuth data acquisition is provided to remove the disadvantages of non - uniform azimuth distributions from old observation system

    文摘:提出了線束型三維觀測系統橫向覆蓋次數的一種簡易確定方法，詳細論述了非縱誤差的實質及縱測線方向的選擇方法，根據目前煤田三維數據採集現狀，提出了寬方位角的設想，以便克服以往三維觀測系統中方位角分佈不均的弊端。
  6. Simply connected algebra of representation - finite have been thoroughly studied, since bongartz and gabrie studied it. but the knowledge of simply connected algebra with representation - infinite type is very poor, only some special class of it was carefully invesitigated

    有限維代數的單連通性與覆蓋理論的關系十分密切，自bongartz和gabriel開始對有限表示型單連通代數研究以來，單連通代數在有限表示型的情形得到了徹底的討論。
  7. ( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio

    研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性，動葉吸力面尤其明顯；氣膜孔流量系數隨吹風比的增加而增大，在高吹風比情況下，流量系數逐漸趨于常數；在不同型面區域，冷卻效率分佈有較大的差異，而且吹風比與主流雷諾數的影響程度也不盡相同；低吹風比下，孔出口下游附近可以得到較好的冷卻，中、高吹風比下，冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻，孔下游較遠區域可以得到較好的冷氣覆蓋。
  8. Wireless induction communication method is based on electromagnetic induction principle, using the electromagnetic coupling to transmit data between the train and ground. this communication system can cover a long rail and it is easy to maintain and fix

    無線感應通信是基於電磁感應原理，利用電磁耦合完成車輛與地面雙向數據傳輸的一種通信方式，具有傳輸損耗小、覆蓋線路長、架設方便、易於維護等優點。
  9. In view of the regression characteristic and the configuration maintenance demand of the regional coverage satellite constellation, the constellation configuration is optimized using the linear relations between the semi - major axis and inclination and the rates of change of the ascending node right ascension and phase, which enhance the long - term stability of the satellite constellation configuration, simultaneously the sub - stellar and the phase are controlled through changing the deviations of the semi - major axis and the inclination

    摘要針對區域覆蓋衛星星座的回歸特性和構型維持需求，利用軌道半長軸和傾角與升交點赤經漂移和相位角漂移變化率之間的線性關系來優化星座構型參數，提高衛星星座構型的長期穩定性，同時通過協同控制軌道半長軸和傾角漂移量來實現區域覆蓋星座構型維持。
  10. We investigated the architectures of three typical computer fault - tolerant systems such as triple modular admixture redundancy system, buildup dual computer comparing system and dual computer comparing system with hot standby, and descript them with the markov model. the reliability and safety model of these fault - tolerant systems are acquired through theoretical analyzing and calculating. with analyzing, we defined the systems " task interval available time section in reason, compared their reliability and safety and evaluated their reliabilities

    具體針對三模混合冗餘、增強型雙機比較及帶熱備份的雙機比較三種典型體系結構的計算機容錯系統進行了研究，統一用馬爾可夫模型進行描述，通過理論分析和計算，獲得各體系結構容錯系統的可靠度與安全度的數學模型；通過分析，合理定義了系統的任務工作期區間，並在此區間上比較分析了各體系結構容錯系統的可靠度與安全度情況，從而對各系統的可靠性指標進行了評價；根據上述三種系統的數學模型，在考慮系統故障覆蓋率與維修率兩個參數對系統可靠度與安全度影響的情況下，用matlab語言編制了計算機模擬程序。
  11. The program abstract the finite cover system of 3d nmm as independent data classes, and give the definition and implement of the classes, and manage these data classes by techniques of tree structure

    程序將三維數值流形方法的有限覆蓋系統抽象為一些獨立的數據類，給出了類的描述和它們的實現方法，並用樹狀結構對這些數據類進行管理。
  12. First of all, the hexahedral meshes are chosen as the cover system of nmm. the cover system of three - dimensional nmm, displacement functions in the all cover systems, the selection of weight functions, diversified unit matrix and numerical integral method of manifold element ( hammer integral method ) are discussed in detail

    文中首先選取標準的三維六面體網格作為流形方法的基本覆蓋，研究了三維數值流形方法的有限覆蓋系統、各階覆蓋位移函數、單元權函數的選取、三維數值流形方法中的各種單元矩陣、以及流形單元的數值積分方法（ hammer積分方法） 。
  13. In 2002, after full technology demonstration combined with digital map, the agile observation system was designed, and by mixed use of vibrator and explosive source, the high precision 3d exploration has accomplished to 120 square kilometers full - cover in this area

    2002年度，經過充分的技術論證，結合數字地圖，設計出了靈活的觀測系統，採用可控震源與炸藥震源混合使用的施工方法，在該區完成了滿覆蓋120平方千米的高精度三維地震勘探。
  14. A variation of one - dimensional bin packing problem : the minimum cardinality bin covering problem is described and it is a huristic algorithm is designed

    摘要文章介紹一維裝箱問題的一個衍生問題：最小基數箱子覆蓋問題和它的一個啟發式演算法。
  15. The granular packing in two dimensional systems with different boundaries ( square boundary and circle boundary ) is simulated

    摘要通過分子動力學模型，數值模擬了二維系統中顆粒物質的堆集過程以及系統的覆蓋率。
  16. 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。
  17. 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。
  18. Stability of geodesies on torus and semi - geodesies on cylinders are discussed in chapter 4 ; the definition of algebraic pattern of filament winding elbows and pattern design method are given in chapter 5, and this method is able to design the fiber path with uniform coverage

    在此基礎上，給出了保證不打滑、不架橋的纏繞幾何模式。第五章研究了纖維纏繞彎管的纖維分佈問題? ?代數模式，提出了纏繞彎管的代數模式定義和能均勻覆蓋彎管的設計方法。
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