立體解析幾何 的英文怎麼說

中文拼音 [lìtǐjiěxījīhé]
立體解析幾何 英文
analytical geometry of three dimensions
  • 立 : 動1 （站） stand; remain in an erect position 2 （使豎立; 使物件的上端向上） erect; stand; set up...
  • 體 : 體構詞成分。
  • 解 : 解動詞（解送） send under guard
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  • 幾 : 幾代詞1. （多少, 用於詢問數量和時間） how many 2. （表示不定的少數目） a few; several; some
  • 立體 : 1 （三維的） three dimensional; stereoscopic2 [數學] （幾何體） solid; body立體彩色電視 three dim...
  • 解析 : analysis; resolution; analyzing; resolving解析幾何 [數學] analytic geometry; cartesian geometry; ...
  1. The work up to [ 6 ] 1912 is known as [ 7 ] analytical cubism, concentrating on geometrical forms using subdued colors

    到1912年，這種藝術被稱為解析立體主義，主要運用柔和的色塊來體現物體的幾何形狀。
  2. As we all known, with the founding of euclidean geometry in ancient greece, with the development of analytic geometry and other kinds of geometries, with f. kline " s erlanger program in 1872 and the new developments of geometry in 20th century such as topology and so on, man has developed their understand of geometry. on the other hand, euclid formed geometry as a deductive system by using axiomatic theory for the first time. the content and method of geometry have dramatically changed, but the geometry curriculum has not changed correspondingly until the first strike from kline and perry " s appealing

    縱觀幾何學發展的歷史，可以稱得上波瀾壯闊：一方面，從古希臘時代的歐氏綜合幾何，到近代解析幾何等多種幾何的發展，以及用變換的方法處理幾何的埃爾朗根綱領，到20世紀拓撲學、高維空間理論等幾何學的新發展，這一切都在不斷豐富人們對幾何學的認識；另一方面，從歐幾里得第一次使用公理化方法把幾何學組織成一個邏輯演繹體系，到羅巴切夫斯基非歐幾何的發現，以及希爾伯特形式公理體系的建立，極大地發展了公理化思想方法，不管是幾何學的內容還是方法都發生了質的飛躍。
  3. Optimal design with three variables is then done to the elbow - bar mechanism of the mp1040b moulding machine by utilizing the method of punishing function for constraint problems and variational scale for unconstraint problems. the optimal target function is the maxium of gradient in one work travel for the moulding plank of the elbow - bar mechanism. the result shows that the maximal gradient of moulding plank in one motion period declines by 25. 7 after optimization, and the angular acceleration of the bottom moulding plank decreases greatly

    動力學分析中，各構件的質量和轉動慣量是通過pro / engineer軟體，先建立各個構件幾何模型而求得；然後，利用解決約束問題的罰函數法和處理無約束問題的變尺度法對mp1040b型模切機肘桿機構進行三個設計變量的優化設計，優化目標函數為肘桿機構的下模切板在一個工作行程中達到的最大傾斜程度；通過優化設計，模切機肘桿機構的下模切板在一個工作行程中的最大傾斜程度降低了25 . 7 ，其角加速度明顯減小，提高了模切機動力學性能。
  4. We first set up the hiberarchy of the nmm ’ s visualization and focus on the study of pem ’ s visual process. then the coupling equation of pem is deduced and a rapid algorithm for solutions of bordered tridiagonal linear equations is put forward. in the last of the thesis, elementary system of deformation geometry unified for manifold ’ s structure is studied primarily via the idea of unified modeling and some theoretic results for analytical visualization are given out under the system of frenet frame of arbitrary parameters

    文章結合nmm的基本原理和特點，研究了nmm可視化的有關理論和方法;文章首先建立了nmm可視化的層次結構，重點對面素單元法（ pem ）的可視化過程進行了細致研究，推導出了pem的耦合方程，然後給出加邊三對角方程組的一種快速求解演算法，最後還從統一建模的思想對統一于流形結構變形幾何的基本體系進行了初步研究，得到了任意參數形式下frenet標架體系的若干適用於解析可視化的理論結果。
  5. This paper, based on normalizing well logging data while drilling and correcting depth into true vertical depth and calculating reservoir parameters and etc, combining the practical ease of mobei oilfield, extracted logging and geological pattern characteristic of target oil - gas formation and geosteering mark formation, and used bp neural network and regressive analysis to create predicting mode of geosteering parameter to build relevant contrast curve ; adopted geometry geosteering method to fix on die drilling direction of bit upper and declination, the position in reservoir, to judge the real drilling case. all finely solved the problem to follow the geological target while drilling for three horizontal well these methods improve the drilling horizontal well ability by using the techniques to follow the geological target while drilling, and then it is convenient and practicable

    本文在開展隨鉆測井資料的標準化和斜井校正及儲層參數解釋與含流體性質判釋等工作的基礎上，結合研究工區莫北油田的實際情況，提取了目標油（氣）層和導向標志層的測井地質模式特徵，並採用bp神經網路法和回歸分析法建立了地質導向參數的預測模型、構造了相應的對比曲線；採用幾何導向法確定鉆頭上下傾鉆進方向及其在目標層的位置，以判斷實際鉆進地層情況，很好地解決了研究工區三口水平井的隨鉆跟蹤地質目標的問題。
  6. The cable - strut tensile structures are the self - stress equilibrium systems composed by tensional cables and struts. in this paper, the basic concept of the structures was described. the analysis methods of the structural characteristics ( statically and kinematically determinate or indeterminate ) and the geometrical stability were presented. it is indicated that the cable - strut tensile structures are in stable equilibrium with first - order infinitesimal mechanisms. the ranks of equilibrium matrix were calculated by employing the singular value decomposition, and the independent modes of inextensional mechanisms and the states of self - stress were also obtained in the same way. this paper contains some typical examples which illustrate all of the main points of the work

    索桿張力結構是指由張力索和壓桿組成的、具有預應力自平衡的新穎結構體系.本文詳細闡述這種結構的基本概念和結構特徵，討論結構靜動定體系特性和幾何穩定性判定分析方法，指出索桿張力結構應具有一階無窮小機構的幾何穩定體系.文中採用奇異值分解方法計算結構平衡矩陣的秩，並計算獨立機構位移模態和自應力模態.最後，對幾種典型的索桿張力結構進行了算例分析
  7. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論，將復合材料層板的彈性問題化歸為均勻各向異性板來求解；採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，給出了有限大含橢圓核各向異性板彈性問題的級數解形式；利用雜交變分原理，成功導出含橢圓核各向異性板雜交應力有限元，並用算例驗證了該單元的可行性和有效性；採用含剛度折減橢圓形彈性核的沖擊損傷模型，引入基於特徵曲線和yamada - sun破壞準則的點應力判據，建立了含損傷復合材料層板剩餘強度的分析方法；通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響，得到了一系列對工程應用具有實用價值的結論。
  8. Aiming at the linear ccd push - broom of high resolution satellite imagery, the paper discusses theory and application on sensor geometry model, epipolarity model, and stereo image matching. at the end of the paper, the technique of extraction of regular building from high resolution remote sensing image is studied

    本文針對高解析度衛星遙感線陣ccd推掃式立體影像的處理，系統地研究了傳感器幾何模型、影像核線模型和影像匹配方面的理論和應用技術；並探討了高解析度遙感影像上規則地物的快速提取技術。
  9. This essay in followed by the sales channels management system of south - east motors and will analyze and explain in the following four aspects : 1. several phrases and existing problem in choosing the sales mode by south - east motors. 2. to analyze several problems as follows : the choosing of sales channels members, the dividing of sales channels stages, the resolution of sales channels conflicts, the establishing of prices system, the construction of service system in the future. 3. to analyze the advantages and disadvantages the 4 popularly used sales modes such as buying - off system, sales system, assistant sales system and together with the actual condition of south - east motors sales channels management system, i make sure that assistant sales system will be the future sales channels management mode and development direction of south - east motors

    本文以東南汽車公司如何建立銷售渠道管理系統為主線，從四方面進行分析和闡述：東南汽車公司銷售模式選擇經歷的幾個階段及存在問題；對東南汽車公司在渠道成員選擇、渠道層次劃分，渠道沖突解決，價格體系的制訂、今後服務體系的建立等幾個方面進行分析，分析其存在的問題；從理論上分析目前廣泛採用的代理制、買斷制、經銷制、助銷制四種銷售模式的優缺點，結合東南公司銷售渠道管理系統的實際情況，確定將助銷式作為東南公司今後渠道管理模式的發展方向；通過確定東南公司採用助銷模式，來解決目前東南公司在銷售渠道管理系統所存在的問題。
  10. By means of establishing the mathematical model and simulative model for double wishbone typed independent suspension frame of certain light - duty lorry and using the adams software to simulate the variation law of front restraint angle of wheel at different positions of splitting points during the moving course of lorry, and verified the correctness and reliability of the simulated result by applying the spatial analytic geometric relation formulae

    摘要通過建立某輕型卡車雙橫臂式獨立懸架的數學模型和模擬模型，利用adams軟體模擬汽車運動過程中不同斷開點位置車輪前束角的變化規律，並用空間解析幾何關系式驗證了模擬結果的正確性與可靠性。
  11. According to the constituting of mathematics language ability, and the level of structure, and expressing differently, the mathematics language can be divided into the mathematics language identifying barrier, the comprehending barrier, transforming barrier, structuring barrier, organizing and expressing barrier etc. through the test and survey of students, and the interview to teachers in wuhan, xiantao and xiaogan, we have understand that the senior high school students are not good at exploring hidden factor of symbolic language and solving a mathematics problem by image, and mathematics language expression barrier is outstanding, and the transforming barrier in solid geometry is prominent

    根據數學語言能力的組成成分，按照層次、表現的不同，可分為數學語言識別障礙、理解障礙、轉譯（或轉換）障礙、構造障礙、組織、表達障礙等。針對這些問題，分析成因。通過對湖北省武漢、仙桃、孝感等地部分學生的測試、調查和教師的訪談，了解到高中生數學語言學習方面存在不善於發掘符號語言的隱含條件，不善於利用圖式解題，數學語言表達障礙突出，立體幾何中數學語言的轉換障礙等問題。
  12. At the meantime, the rock mass may alternate between loading and unloading and it exists in certain kind of liquid, such as surface water, unconfined water, confined water etc for its intrinsic crannies. the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security, economy, feasibility and validity. however, the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation, the corresponding structure design must ensure enough safety with all the determinate or random force combination, so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress, for the simulation of the real process and for the determinate evaluation system and optimization

    由於實際工程巖體其固有的非線性和復雜性，使得求解對應的諸如其穩定性、變形等問題面臨較大的困難，而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性，這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術，抓住實際工程問題的本質特徵並建立可行的符合幾何模擬、本構模擬、受力模擬、過程模擬四原則的求解模型，通過該模型的數值模擬成果來指導巖體工程的設計、施工及運營、管理；而巖體結構面的存在使得基於傳統連續介質力學理論的理論分析和數值模擬面臨巨大的挑戰，物理模擬的試驗周期和成本也大大增加，而巖土體工程問題則成為典型的數據有限、了解程度有限類問題，這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和數值模擬等方法，數值模擬可以完成目前許多技術手段無法完成的實驗，如參數控制，復雜條件下的邊界條件的處理，同時數值模擬具有高可重復性，且數值模擬的成本和人力開銷等遠低於物理模擬，因此研究巖土體工程問題的流形元數值模擬方法是一項具有理論和實際工程應用價值的重要課題。
  13. 3 ) a simulation software of numerical calculation of eeg was developed based on matlab, after the methods used to solve eeg forward problem and inverse problem had been analysed. the software included three modules : 3d reconstruction of real head model, eeg forward problem using bem, eeg inverse problem using shrinking loreta - focuss algorithm. in the future, spatio - temporal source model will be investigated and the simulation software will be optimized and developed

    3 ）研究了在具有真實幾何結構及電磁參數的頭模型下腦電正、逆問題的求解方法，形成了自己的思想，開發了基於matlab環境的腦電信號產生源分析計算軟體，實現了從mri圖像出發建立頭的數值計算模型，用bem演算法計算腦電正問題，用shrinkingloreta ? focuss方法進行腦內電活動的反演的一系列計算模擬。
  14. Major contents of the thesis are as follows : 1 ) based on brief introduction of the profile theory about the spatial cam sliding tooth transmission, those formulas correlated to the mechanics feature are deduced to calculate the geometrical parameters ; 2 ) according to the hertz contact theory in elastic - mechanics, the mechanics analysis model of the spatial cam sliding tooth transmission is built up ; the deformation harmonizing conditions at each contact point are erected ; the force analysis formulas of point contact are deduced and the resolution method is presented ; 3 ) the numerical calculating software about the deformation of the spatial cam sliding tooth transmission is developed ; using the software, the force characteristics of the spatial cam sliding tooth transmission are calculated with different design parameters ; the general law on force characteristics of this transmission is obtained

    論文的主要內容包括： 1 ）在簡要介紹空間凸輪活動傳動齒廓理論的基礎上，推導了與力學特性相關的幾何參數的計算公式。 2 ）建立了空間凸輪活動傳動的力學分析模型；依據彈性力學赫茲接觸理論，建立了各接觸點之間的變形協調條件，推導了空間凸輪活齒傳動點接觸受力分析公式，並給出了求解的方法。 3 ）開發了關于空間凸輪活動傳動受力變形的數值計算軟體；應用該軟體，對不同設計參數的空間凸輪活齒傳動的受力特性進行了數值計算，獲得了該傳動受力變形的一般規律。
  15. In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf

    首先研究了干凈壁流式過濾體的加熱特性，然後在加熱和燃燒理論的基礎上建立了微粒捕集器再生過程的數學模型，並對模型進行了數值計算，得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈，結果與實驗值吻合較好，驗證了模型的正確性;為了詳細的研究微粒捕集器的再生機理，建立了孔道單元數學模型，得到了孔道內的溫度場分佈和微粒反應速率分佈;最後，通過求解模型在不同邊界條件和不同幾何參數下的數值解，分析了各種因素對再生過程的影響，如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉積量以及過濾體壁面厚度，為微粒捕集器的優化設計提供理論指導。
  16. In this paper, based on analyzing the forming regularity, geometric characteristic and dimensioning factor of primitive and combined entity, the notion of explicitly feature position of geometric shape of primitive is introduced, the classification is dicussed. the notion of explicitly feature position constraint of geometric shape of combined entity is introduced. the classification, the explicitly reductive property for location dimension, the constraint of the explicitly feature position constraint of geometric shape of combined entity degree are systematically analyzed

    本文通過對基元體和組合體的形成規律、幾何特性及尺寸要素分析的基礎上，引入了基元體和組合體的隱式幾何形狀特徵位的概念，系統地分析了隱式幾何形狀特徵位約束的分類、及其約束度等概念；提出了定位尺寸預先加入的策略及隱式幾何形狀特徵位約束對定位尺寸的隱含性縮減的性能，並建立了求解組合體的尺寸約束解的推理求解公式；通過引入基元體的隱式幾何形狀特徵位和組合體的隱式幾何形狀特徵位約束等概念，把尺寸約束解的求解轉化為對基元體的隱式幾何形狀特徵位相互之間的位置關系。
  17. In this article, the following technology of the carbon fiber composite flywheel in the integrated energy - storage / attitude - control system are analyzed and the valuable achievements are achieved above the foundation of consulting a large quantity of literatures and investigation : 1. different technology method for carbon fiber composite flywheel are designed, aimed at the character of carbon fiber composite material and manufacture 2analyzes the stress of carbon fiber composite flywheels made by different technology method, hoop - winding method, symmetric ortho layers pressing method, multi - layer winding method and interference joining method, under high rotate speed, builds their static model ; and simulates their technology and shape parameter ' s affecting their stress level with i - deas f. e. m

    本文在查閱了大量國內外相關文獻及調研的基礎上，針對集成化儲能/姿態控制飛輪系統中的碳纖維復合飛輪的以下相關技術進行了研究，並取得了有價值的成果： 1針對碳纖維復合材料的特點及加工方式，設計了周向纏繞成型法、對稱正交鋪層層壓法、多層結構纏繞及過盈連接法等不同工藝方式的碳纖維復合飛輪轉子； 2針對不同工藝方式的碳纖維復合飛輪轉子，進行了高速旋轉狀態下的應力分析，建立了靜力學解析模型，並結合i - deas有限元分析軟體模擬模擬了不同工藝方式的碳纖維復合飛輪轉子的相關幾何參數及工藝參數對其應力水平的影響； 3
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