時間幾何學 的英文怎麼說
中文拼音 [shíjiānjīhéxué]
時間幾何學
英文
chronogeometry- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 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
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
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The benefit of this cooperation has been that archaeoastronomy has expanded to include the interrelated interests in ancient and native calendar systems, concepts of time and space, mathematics, counting systems and geometry, surveying and navigational techniques as well as geomancy - dowsing - and the origins of urban planning
該合作的好處就是考古天文學已經擴展了包括古代和本土日歷系統、時間空間概念、數學、計算系統和幾何學、測量和航海技術以及泥土占卜相關的興趣-探尋水源和礦藏-和城市規劃的由來。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。By means of the orbit dynamics theory and other knowledge, author established mathematical model related to collision forecast, including space object orbit confirming model, space objects relative movement model, dangerous object distinguishing model and space object collision geometry relation model, etc. according to the mathematic model, author calculated the relative distance transformation rule along with time between the spacecraft and dangerous debris and established early warning rule
依據航天動力學理論和其他知識,建立了碰撞預警相關的數學模型,包括空間目標軌道確定數學模型、空間物體相對運動數學模型、危險物體判定準則數學模型和空間物體碰撞幾何關系數學模型等,根據數學模型計算航天器和危險目標的相對距離隨時間變化規律,設定了預警規則。Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward
從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結;應用輪軌系統動力學,建立了輪軌空間耦合振動時變模型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析,通過擬合得到了鋼軌側磨量與運量的關系曲線,並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼軌側面磨耗的措施。No weather seemed to hinder him in these pastoral excursions : rain or fair, he would, when his hours of morning study were over, take his hat, and, followed by his father s old pointer, carlo, go out on his mission of love or duty - i scarcely know in which light he regarded it
任何天氣似乎都阻擋不住牧師的短途行程。不管晴天還是雨天,每天早晨的學習時間一結束,他會戴上帽子,帶著他父親的老獵狗卡羅,出門開始了出於愛好或是職責的使命我幾乎不知道他怎樣看待它。The same hours and the lathe, mathematics too, and my geometry lessons, princess marya answered gaily, as though those lessons were one of the most delightful events of her life
「還是在那個時間,在車床上勞作,還有數學,我的幾何課。 」公爵小姐瑪麗亞高興地答道,好像幾何課在她生活上產生了一種極為愉快的印象。Abstract : a numerical model which can evaluate the movement of each individual occupant is developed, the model which divides a building setting into planar grids can described the position of each occupant at any point of time. the movement speed and direction of each occupant are dominated by the characteristic in the grids such as density, location etc. the approach in calculating movement pattern of each occupant and the exact evacuation time have been demonstrated in this paper, the result of the simulation is more accurate than that of the other software
文摘:將建築物在平面上劃分成能反映人員具體位置的幾何坐標網格,根據不同人員在不同網格內的移動特性確定其移動速度,建立了描述人員疏散過程的數學模型,用場模擬的方法可以準確得到建築物疏散時間和人員疏散軌跡,其模擬結果與國外同類軟體對比具有較好的精度。The same soul who was enoch the prophet was also thoth, hermes, metatron, among others who allegedly wrote ' books about the sacred knowledge of creation '. these creational stories are based on patterns of geometry that repeat in cycles through the concept of time
與先知以諾擁有相同靈魂的也是透特,赫密士,密特拉,其他的依其申述是寫在「創世的神聖知識之書「中。這些故事都是建立在神的幾何學的格調上,透過時間的概念來重復著循環。The conclusion of this authentic proof research ai. - enlightenment : ( 1 ) in the suitable environment that the substance of the cai in mathematics teaching is student at the modern technology of utilization founded, in the supervising down of first cognition of mathematics, by way of self explores, the mathematics cognition activity of the establishment mentality idea correctly ; ( 2 ) found suitable teaching and the study environment, that is the key of cai gaining success, and reasonably uses the computer medium can help student ' s establishment correctly proper mentality idea ; ( 3 ) how to reasonably scientifically solve the different of man and women in cai is a main obstacle that all students must face the cai ; ( 4 ) the keys which good effect will be gained in the cai are : teacher will change the concept and be brave in exploring in the practice ; the conception which takes students as the center and draw on it to direct the using of education technology
為此,本實驗先選取桂林中學高一四個班作為實驗和調查對象,採取四種不同的教學模式(講授法、 cai法、自主cai 、幾何畫板法)進行「二次函數在給定區間上的最值」內容的教學,然後對測試和調查結果進行分析,揭示課堂教學中計算機輔助教學的學習心理機制;二是學生應用計算機進行探究性學習的認知心理機制的研究。通過對學生歷時一個半月的自主學習的觀察及最終測試的分析,探索計算機的應用對學生認知心理的影響。本研究的結論與啟示: ( 1 )計算機輔助數學教學的實質是學生在利用現代技術創設的一個合適環境中,通過自己的探索,建立正確的心理表象的數學認知活動。Though the hill equation was improved it cannot satisfied with the long distance navigation. here is considering the main satellite the following satellite and the target satellite format a triangle in the space which was useful in the relative navigation. the orbit of the following satellite was resolved by calculate the hill equation
盡管如此改進的hill方程依然不能滿足遠距離的相對導航,當從星在攔截目標星時,若目標星在攔截過程中發生軌道機動遠離主星,這里考慮到在已知從星軌道的前提下利用主從星以及目標星在空間形成的三角關系這一有利條件進行幾何法定位的研究,並通過數學模擬對其誤差大小進行了分析。To start with, the thesis mainly discusses the reading comprehension, from the definition of reading and reading comprehension to three different reading models, which shows that the most efficient reading model is interactive reading model, in which schemata knowledge is not only necessary but also important ; after the documentation, the thesis lays its foundation on schemata theory, which involves the different definitions of " schema ", the classification of schemata knowledge and its function in reading comprehension, from which the conclusion is drawn that during the reading, students can use different types of schemata knowledge according to the their language proficiency and different reading materials ; in the following part, the thesis briefly states the relationship between the reading comprehension teaching and the schemata theory, from which i gain inspiration and find out the applications of schemata theory in english reading comprehension teaching in senior high schools ; and at the same time, i offer a reading teaching model of a text, which shows how to use schemata theory in reading comprehension teaching ; in the last part of the thesis, an experiment is done between two classes using two different teaching methods, one is traditional, the other is new, that is, the teaching method that uses schemata theory, which is proved to be far better
論文首先探討了閱讀理解,從閱讀及閱讀理解的定義到三種不同閱讀模式等方面的探討,得出有效的閱讀模式是「相互作用模式」 ,該模式的運行離不開圖式知識的運用;然後,本文介紹了圖式理論,從圖式的不同界定到圖式的分類以及不同圖式知識在閱讀理解中的不同作用,得出:在閱讀中,讀者根據自己的語言水平和文章的難易程度的不同,調用不同的圖式。在介紹完了圖式理論之後,本文還簡述了圖式理論與閱讀教學的關系,探討了圖式理論對高中英語閱讀教學的幾點啟示及其啟示下的具體運用方法,並提供了一篇課文的閱讀教學模式,具體展示了在圖式理論的指導下,如何上一堂閱讀課;在文章的最後部分,筆者在自己所帶的班級中利用將近一年的時間作了一個實驗:在兩個班分別使用不同的教學模式,一個是傳統的教學模式,另一個是圖式理論指導下的新的教學模式。實驗結果證明,新教法的教學效果要好的多。By analyzing the disadvantage of the parallel rendering load balancing methods based on geometry data analysis, a load balancing method based on time - space conversion is presented which uses time value as the measure of a rendering node ' s work load and uses space value to control the distribution of work load. a reasonable algorithm is used to convert time value to space value
在分析已有的基於幾何數據分析的并行繪制負載平衡演算法的基礎上,提出了浙江大學博士學位論文基於時空轉換的負載平衡演算法:以時間值直接作為繪制節點負載的度量,以空間值控制負載的分配,通過適當方法完成時間值到空間值的轉換。The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr
2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數值解法,其基本的求解策略是:將固體變形,流體滲流與溫度場方程看成獨立的子系統,耦合迭代求解;利用有限元離散( galerkin )方法將控制方程在幾何域上離散,並用差分法得到時間域上的離散方程,並在此基礎上,編制了相應的計算機源程序;有限元求解中,為減小邊界效應的影響,在計算中採取粗細網格結合的方法,順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。Clifford ' s space philosophy and the time unidirectionality of minkowski geometry
克里福德的空間哲學與閔可夫斯基幾何的時間單向性Abstract : in order to solve the double parameters enveloped in the geartooth flank generating, the complicated double parameter envelope is simplified to the generating process between work - piece and imaginary crown generating gear by means of mathematical transformation. the equation of the imaginary crown generating surface and the partial derivatives are deduced, so the differential geometric parameters of the generating surface can be obtained. by analyzing the generating motion between the imaginary crown generating gear and the work - piece, all the first to third order geometric parameters of the generated tooth flank at any given point can be calculated
文摘:為了解決直接求解展成法加工中存在的復雜雙參數包絡問題時的困難,提出通過數學變換,將此包絡問題轉化為假想平面產形輪與工件之間的展成問題來進行研究.推導了假想產形面的方程和各階偏導矢,於是可獲得產形面的微分幾何參數.通過分析假想平面產形輪與工件之間的展成運動,即可得到被展成齒面上任意指定點的全部一至三階微分幾何參數At the same time, you ' ll find all the technical information that you need to do a school report or business presentation on nearly any current computer topic
在同一時間,你會發現,所有的技術資料,你需要做的一所學校報告或業務介紹幾乎任何現有計算機的話題。In this paper, maccormack explicit time - split scheme, baldwin - lomax algebraic turbulent model and two - steps hydrogen - air nonequilibrium chemical kinetics model are employed to simulate the 2 - d flow fields in a fixed geometry scramjet combustor in different injecting way of fuel in different flight conditions. the results show, in the same entrance condition, the operating mode of scramjet combustor is influenced by the control of fuel
本文採用maccormack顯式時間分裂法、 b - l代數渦粘性湍流模型及氫-空氣兩步非平衡化學動力學反應模型,模擬了在不同的飛行馬赫數條件下,固定幾何的雙模態燃燒室在不同供油規律下的二維燃燒流場。Other motivating factors with e - learning are the conveniences that it offers, such as being able to go through the course any time and anywhere ( almost )
電子學習的另一個激勵因素是它所提供的便利性,比如(幾乎)可以在任何時間任何地點學習。Its invalidation of turning rupture leads to driving safety problems on the basis of research on the torsion bar spring in the suspension system, the paper finds the way to enhance the performance of the suspension system. the paper establishes the mathematical model of the double wishbone independent suspension, analyses the specific structure in theory, uses the softwares of adams and matlab to simulate the functions which are nearly similar with the actual working conditions. at the same time, the paper adopts the way of parameterized design, programs to adjust the system parameters conveniently and inducts the optimize design with the concrete targets to improve the suspension system performance
本文的研究方法是通過建立扭力桿與獨立懸架的數學模型,以理論分析為基礎,結合具體的懸架結構,運用adams和matlab軟體,對研究的對象進行模擬分析,使設計人員在近似真實的模擬條件下能夠更好的對目標進行研究;同時,還引入了參數化的設計方法,通過編程,增加了人機互動式界面,可靈活的對懸架導向機構主要構件的空間幾何尺寸進行動態調整;在優化設計過程中,針對汽車懸架運動學、動力學的特定要求,對具體的目標進行優化設計,從而獲得良好的行駛平順性和操縱穩定性。This all goes to studies of sacred geometry - and the creational of our reality with a sacred blueprint that repeats in loops we call physical time
這全部轉到神的幾何學研究上來-而且我們實相的創造與我們稱之為物質時間循環圈的神的藍圖一致。分享友人