重力性定點角 的英文怎麼說

中文拼音 [zhòngxìngdìngdiǎnjiǎo]
重力性定點角 英文
gsa
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 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...
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中理論,從等效均化的度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑解析解,對工程設計有著要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應、變形的影響。
  2. In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced, and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly

    本課程主要講述礦物及其共生組合的形成和變化的條件和過程,不同物理化學條件下礦物的成分、結構、形態、物等標型特徵以及它們之間的內在聯系,礦物及其共生組合在時間上和空間上的分佈和演化規律,礦物成分、結構、形貌、物等的分析測試方法,礦物地質溫度計和地質壓計對其形成環境的表徵,不同體系(封閉體系、開放體系)條件下,礦物的穩范圍和彼此替代順序的共生分析,介紹黃鐵礦、石英、石榴石、輝石、閃石、雲母、長石等礦物(族)在成因上的宏觀標志和微觀信息,以及其成因信息在成巖作用和成礦作用中的地質意義。
  3. The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings

    顯示出不同程度之生命的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直包括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺旋星雲凝固后形成有衛星的恆星群兩大陽相互依存的旋轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現波得和開普勒所嘗試的距離的立方與回轉次數的平方的體系化177多毛的眾彗星178那幾殆無限的被壓縮,以及自近日至遠日那廣漠的遠心的返大氣層的橢圓軌道隕石的恆星之起源年紀較輕的天體觀測者誕生的那個時期火星上所出現的「暗波」現象179每年在聖勞倫斯節殉教者,八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天體對人體的影響的假威廉莎士比亞出生的時期,在斜倚卻永不沒落的仙后座那三形上端,一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱體而形成的燦爛的新太陽大約在利奧波德布盧姆出生時,出現在七星花冠星座里而後又消失了的一顆同一起源亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時,出現在仙女座中之後又消失,小魯道爾夫布盧姆出生與夭折數年後出現于御夫座后又消失,以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又消失了的假是同一起源的實際存在或假存在的星斗183 。
  4. This paper mainly discusses about the acceleration response of the artillery that is caused by the plainness causes under traveling condition. and according to the system aspect of the matching between the tractor and artillery which composes the artillery train, it also presents the characteristics of the steering, braking stability and manipulating stability which affects the artillery moving maneuverability

    本文在火炮設計領域首次對火炮牽引列車系統進行動學分析,研究了火炮牽引行駛狀態下的路面不平度對火炮的加速度響應,並從牽引車與火炮匹配組成火炮列車的系統度,研究了影響火炮行駛機動的轉彎特、制動穩和操縱穩
  5. In the second part, we analyzed the speciality of the vogue journal, compared to other media, and point out the industry chain that confined them. in the third part, we analyzed the typical cases, according to supply chain, source chain, brand chain, service chain, and point out the regularity of the vogue journal. in the last part, we offered some advice to develop the chinese vogue journal, pointed out that we should associate globalization and gentilitial, capitalize on the regularity of industry chain in order to develop chinese vogue journal at the background of economy globalization

    論文分為四個部分展開:第一部分,是對時尚期刊范疇的界,從理論和市場的雙對時尚期刊進行分析,以期達到邏輯和歷史的統一;第二部分,是對時尚期刊特的分析,通過它與其他媒體的深入比較,從現代產業的度,指出其內部深刻制約它的產業鏈;第三部分,是對時尚期刊產業鏈的研究,通過典型案例的分析,從供應鏈、資源鏈、品牌鏈、服務鏈等多度,提煉出時尚期刊產業鏈的規律;第四部分,是對中國時尚期刊產業的前瞻戰略思考和對策建議,指出在經濟全球化的大背景下,中國時尚期刊產業的發展,必要在全球化和民族化的結合中,充分利用產業鏈的規律,壯大自身的實
  6. Therefore, we should speed up the construction of open - style r & d information center in the yangtze river delta, speed up an intermediary technical service system which consistent with the multinational corporations ; select the enterprises and projects which have relative competitive advantages and development potations in the global multinational corporation industry chain as key domains which first supported, and formulate gradual preferential policies which consistent with the international convention

    為此,應加快長三開放式研發信息中心的建設,加快建設與跨國公司對接的科技中介服務體系;選擇在全球跨國公司產業鏈中具有相對競爭優勢和發展潛的企業及項目,作為優先支持的領域,並制與國際慣例接軌的階段優惠政策。
  7. The modern technology give a chance for the pattern of transmitting knowledge with network, the course based on network have opened up it ' s way in china, our pursuer paid more attention to the mode, but in america, pursuer have studied the more width aspect, thereinto the investigation and design of the information in the course based on network is very important, for the design of the information decide the pattern how the student receive the information, which will effect the way of knowledge understanding and memory, and the way is related to the study pattern, so the design of the information in the course based on network is very important to the efficiency and effect. so the core of the paper is the investigation and design of the information in the course. i have the entropy from the information science as the analyse tool to analyse the information, these work tell us the efficient pattern to transmit information, based on the result, i design the net page, of course, study theory and the character of the net itself are also the factors i employ for design a good net page. then, links and navigation is constituted for students adapt to the course based on network

    當今技術的發展給知識以網路為媒介來傳播的學習方式帶來前所未有的機遇,網路課程在國內迅速開展起來,但是國內研究者的注意主要集中在對網路課程模式的探索上,放眼國外,他們的研究觸已經涉及到網路課程比較細致的方面,尤其是對網路課程信息的研究構成了國外網路課程研究中的比較要的一個方面,而網路課程中信息的設計是要的,因為信息的組織設計是為了接受者能對信息進行有效的信息加工,信息的呈現模式影響著學習者對知識的理解和記憶方式,進而決了學習者的學習模式,因此網路信息的設計在網路課程傳遞的效率和效果中就佔有很要的位置。基於這個觀念,本文把網路信息的組織設計作為研究的,引入了信息科學作為研究的主要工具對網路中的信息作以量化分析研究,主要應用了信息科學中信息熵的公式進行推導,得到學習內容信息組織的基本模式,並充分利用網路自身特和學習理論對知識信息進行細致的設計,此外還對鏈接和導航信息進行了設計,在網路課程的適應方面作出了努,把交互信息與輔助學習信息的分析設計與應用和對網路頁面信息的總體調節優化作為主體信息設計部分的補充,最終形成了網路信息組織設計的方案,求創設一個能夠有效傳遞知識信息,減少網路自身弊病,並帶有一適應的網路學習環境,也使更多的網路課程的設計者關注網路信息這個因素。
  8. Focused on " understanding media ", the article analyses in chapter i the key media theory of employing what could be of mcluhan in a thoughtful angle , and advances the viewpoint of " human being - the extending of media ? ". in chapter ii 、 in the following third part , the idea of " media ' s endding " is expounded and demonstrated , which is composed of three parts : extreme of speed , content of the content , and human being ' s last extending - the extending of central nerves 。 in the final part , the general conclusion ? ? electronic media ' s influence on human behavior is given , that is human are under universal narcissism and pacing to the bottom of it impelled by electronic speed. the article has five original points in it : first of all, in virtue of " content theory " , it analyzes the theory of " meida equals to information " by mcluhan from a scale theory stand. secondly, the tremendous power of electronic media is emphasized from an implosion view. in the third point, the article advanced originally that, after extension of central nerve system, human themsevels reverse to an extension of media and turns into a node of it ; at the same time, the article proposes that, all extensions before that of central nerve are " controllable extension ", however, it reverses to " uncontrollable extension " while extending ; then the authur put forward for the first time that, the concernful reason obsessing human is the failure of their in - body central nerve system " s jointing and controlling on out - body central nerve system naturally. 。 the fourth point is, the article demonstrates systematically the idea of " media ' s endding " from three levels solely by thoughtful means, and this is the most revolutionary point of it all

    論文的創新之處有五:一是從「尺度論」的度,藉助「內容論」來解讀麥克盧漢的「媒介即訊息」的思想;二是從「內爆」的度突出電子媒介的巨大量;三是獨創提出在電子媒介時代,人類延伸了自己的中樞神經系統之後,人類本身被逆轉為媒介的延伸,成為電子媒介的一個節;同時在本章節中提出中樞神經延伸之前的所有延伸為「可控延伸」 ,而中樞神經被延伸時「可控延伸」逆轉為「不可控延伸」 ,並首次提出,困擾人類種種問題的要原因是體內的中樞神經系統無法無縫地對接和控制被延伸出去的體外中樞神經系統;四是獨自運用思辯的量從三個層面綜合論證了「媒介的終結」的觀,此處論證為本文最大創新之處,而此結論也將具有大的理論與現實意義;五是根據以上幾個部分的論述,對人類目前的總體狀態作了一個的判斷,即:我們這個時代的迷惘在於我們深陷於自戀的漩渦里難以自拔,在電子媒介以其固有的電速度的推動下,我們走向自戀的盡頭。
  9. Obtaining from the human resource constitution and the present situation analysis of the salary asignmcnt in jinma company. thorough the thorough research. in view of existing situation. this article asks the main question. which exists in the salany assignment system. in this foundation. from the angle of consummating salary incentive mechanism. it stresses the design of salary system of jinma company. the main content inclwdcs : firstly, research and analysis the salary assignment status quo and the puestions that exists in jinma company ; secondly, establish the decision model of the salary total quantity ; thirdly, design the new pattern of staff salary assignment ; fonrthly, prodme the means of the transition from the old pattern to the new one and the basic principle of the dynamic movement

    本文從金馬公司人資源構成和薪酬分配現狀分析入手,通過深入研究,針對地提出薪酬分配體系存在的主要問題。在此基礎上,以現代人資源管理理論為基礎,從完善薪酬激勵機制這個度,闡述金馬公司薪酬體系設計內容。主體內容包括:一是深刻地研究和分析金馬公司薪酬分配現狀及存在問題;二是建立起薪酬總量決模型;三是設計出員工薪酬分配新模式;四是給出了新舊模式接替辦法和動態運行的基本原則。
  10. Permanent surveying markers as referred to in paragraph 1 of this article include wooden or steel signals and stone markers established at triangulation points, baseline points, traverse points, military control points, gravimetric points, astronomic points and leveling points of various orders and classes, as well as fixed markers used for topographic mapping, engineering surveying and deformation measurement, and installations at seabed geodetic points

    第一款所稱永久測量標志,是指各等級的三、基線、導線、軍用控制、天文、水準的木質覘標、鋼質覘標和標石標志,以及用於地形測圖、工程測量和形變測量的固標志和海底大地設施等。
  11. The content of each part follow as : in the first chapter, as start point and base of the paper, this part focuses on the basic study of definition characteristic of no, and the existing base of no - e - commerce environment ; in the second one, this part studies the theory base of no comprehensively applying the theories of core competence competent strategy and transaction cost ; chapter three studies the no from the coordination of no, and gives the structure clarification and characteristic of no firstly, at the same time, put forward the concept of virtual enterprise cluster ; based on such conclusion, studies the model of no from life cyc organization level process and value chain, and operational mode ; in chapter four, a theoretical explanation was addressed on the above structure by modeling no with game theory and graphic theory ; in the fifth chapter, on the bases of analysis of no operational risks, coordination mechanism of no was studied by individually modeling the no without core and no with core, and then put forward the solution for coordination mechanism of no ; as an important component of coordination mechanism of no, chapter six explored some basic concept of trust and importantly put forward the way of how to build trust in no, especially investigated the supporting function of valid reputation mechanism of no for the trust building, importantly an operational method on building reputation mechanism and evaluation method in no were given ; the last chapter applied the conclusion of the paper to investigate the famous trade web - sunbu. com analyzed its shortcoming and gave the advices of developing

    全文共分為七章,主要內容如下:第一章作為全文的理論出發和基礎,圍繞網路組織的義、特徵以及網路組織生存基礎- -電子商務環境等方面對網路組織的基本概念進行了闡述;第二章綜合運用核心能、競爭戰略和交易費用理論對網路組織產生的理論基礎進行闡述;第三章首先從組織協調的度對網路組織進行了研究,給出了網路組織的結構,分類和特徵,同時並給出了虛擬企業群簇;然後在此基礎上分別研究了網路組織的生命周期模型、層次模型、過程模型、價值鏈模型,以及運行模式;第四章綜合運用博弈論、圖論的相關知識,通過構建網路組織的模型,對上一章所研究的網路組織結構的形成機理給出了一種理論解釋;第五章在分析網路組織運行風險的基礎上,分別建立無盟主網路組織的博弈論模型和有盟主網路組織的博弈論模型,詳細研究了網路組織的協調機制,然後給出了網路組織協調機制的解決方案;第六章作為網路組織協調機制的要組成部分,本章在討論了網路組織中建立信任機制的必要的基礎上,研究了網路組織信任關系的類型,提出了在網路組織中如何建立信任機制。
  12. How to measure exactly the coal mass of pulverizer in fossil power plant ? it is one of primary causes that the efficiency of milling control is low and the automation is difficult to running. in this paper a method of solving uncertainty problem - evidential theory was studied principally from the view of the multiple sensor information fusion

    火電廠中鋼球磨煤機筒內存煤量的測量問題一直是制粉控制效率低和自動控制難以投入運行的主要原因之一,本文從多傳感器信息融合的度出發,研究了一種解決不確問題的有方法? ?證據理論方法。
  13. The characteristics of wind turbine generators as well as features of the fixed pitch wind turbine generator and the variable pitch wind turbine generator are presented, emphasizing on the variable speed constant frequency ( vscf ) generating system based on doubly - fed generators and on the control system for pitch angles

    在簡述風機特的基礎上,介紹了槳距和變槳距發電機組的特分析了基於雙饋發電機的變速恆頻發電系統及槳葉節距控制系統。
  14. Chapter three author aimming at the blank of study on the inrollment policy of the higher education for minorities tries to probe theoretically into it from the perspective of the cause of minority student achieveinent higher educational function and educational policy, and to define the essence principle and foundadion of this policy, firstly, auther wants to show that the root to implementing this policy bases on minority history earth instance and cultural speciality by analyzing the cause of minority students low achievement, secondly, by the perspective perspective of higher educational function, author tries to show the important role of higher education to socialize minority students in case they are peripheried, to inherit and improve minority culture, in order to define that this policy is an important political mechanism to safeguard minority " s educational right and educational equality, thirdly, there are two points to be showed by discussing with the perspective of educational policy : the inrollment policy of the higher education for minorities is complexity and it is restricted and influenced easily by correlative mechanism because it involves virtuely in educational problem ethical problem and policy problem, on the other hand, the inrollment policy of the higher education for minorities don " t violate the principle of individual equality, instead, it carries out certain policy for some groups basing on the principle of the individual equality

    一、通過對少數民族學生低學業成就的歸因分析,論述少數民族高等教育招生政策實施依據是少數民族歷史發展、現實狀況和文化特殊。二、通過高等教育功能視的探討,論述高等教育對少數民族學生的進一步社會化,避免少數民族個體被邊緣化的意義,以及高等教育對少數民族繼承、發展民族文化的意義,明確少數民族高等教育招生政策是保障少數民族高等教育權利、保證教育公平的一項要的「政治機制」 。三、通過教育政策視的探討,主要有兩方面內容,一是由教育政策的特,論述少數民族高等教育招生政策實質上是集教育問題、民族問題和政策問題於一身,這使它的運行具有復雜,它更易受其它相關機制的制約和影響;二是通過教育政策價值取向的探討,論述少數民族高等教育招生政策雖以一群體為實施的對象,但並不違背個體平等原則,它是立足於個體平等的基礎上,依據能選拔的原則,針對群體差異客觀存在的現實,對一群體實施的一「優惠政策」 ,以保證處於弱勢地位群體的權利,從而真正實現個體的平等。
  15. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作在無縫焊接鋼軌溫度應測量系統的理論模塊,包括根據snell原理,研究極限折射縱波的激發機理,並使用有限元軟體ansys進行模擬;根據聲彈理論以及公式推導出計算無縫焊接鋼軌中的溫度應的公式,並對其中參數的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應的方法,即固距離測量聲時法、臨界折射法和頻譜分析法,本實驗系統使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射縱波測量溫度應的幾個因素,並提出了相應的解決方法;根據實驗系統的需要,獨立設計並加工出相關配套的實驗設備,包括實驗鋼塊、有機玻璃楔塊、固件、載荷外框裝置等。
  16. The author believes that government should establish regional economic development strategy from the angle of the whole country and build the regional economic relationship with internal and external circle. the establishment of regional strategy should be guided by the view of market. the government should forcefully propel the establish of central and western regions " factors markets, nature the central region of economic development, enhance the reform strength in central and western regions, deepen the open to the outside, build the growth foundations recycling around the hi gh technology, develop the rural and town enterprises, propel the economic connection and cooperation between the central and western region, and prompt the fundamental transform of the economic system and the way of economic growth in the central and western region

    作者認為,應從全國度科學地制分區域的經濟發展戰略,合情合理地確一個區域的發展方向,建立內循環與外循環相結合的區域經濟關系,區域戰略的制始終貫徹市場的觀念,政府要積極推動中西部要素市場的建立,有計劃、有地培育經濟發展核心區,加大中西部地區改革度,擴大對外開放,積極建設以高新技術產業為核心的增長極軸,大發展中西部地區的鄉鎮企業,多種手段促進東中西部地區橫向經濟聯合與合作,切實推進中西部地區經濟體制和經濟增長方式兩個根本轉變。
  17. On the basis of forecast model of traffic volume discussing, the mathematic model for the basic parts of road overpass was built up through the research on main mathematical model which suit for overpass in four - stage forecast method. according to the properties and the requirements of the user, by working on the service level, the standard of service level has been defined. the adaptability index of traffic for road overpass was put forward and an adaptability index of traffic system was established

    本文系統研究了道路立體交叉的類型,從不同度對立交類型進行了劃分,在詳細論述立交交通量預測模型的基礎上,針對四階段預測法中適合立交特的主要數學模型做了深入研究,建立了道路立交各基本組成部分通行能的數學模型,並按照立交的質及人們對立交的要求,對立交服務水平進了研究,確立了道路立交的服務水平標準,提出了道路立交交通適應指標,建立了道路立交適應指標體系,並由多人層次分析法確了各指標的相對權
  18. In this thesis the problems relative with safe reliability of parachute recovery system of manned spacecraft are commenced, the coning motion of the systems in steady decent are studied emphatically ; in view of multibody dynamics, two different dynamic modeling principles and methods of parachute systems have been discussed, and their dynamic characteristics are analytically compared

    本文從載人飛船回收系統安全可靠緊密相關的問題著手,研究了降落傘系統在穩下降過程中的錐擺現象;並且從多體系統動學的度出發,討論了物傘系統的兩種不同動學建模理論和方法,並對它們的動學特進行了分析比較。
  19. Theory is presented in the first part. based on the definition of resident historic district, the development of this theory and practice, especially those new theories in foreign countries, the values, and austere complexion are analyzed and concluded ; " conservation " and " renewal " are also defined in the point of historic dynamic development. finally, based on the theory of sustainable development and organic renovation, this paper issue the major principles in this subject

    論文在對居住歷史街區概念界的基礎上,對國內外理論的發展和具體實踐,尤其是國際上關於此課題的最新理論作了總結分析,從中汲取了經驗和教訓;然後分析了居住歷史街區的價值和保護更新面臨的嚴峻形式和難,並從歷史動態發展的度對「保護」與「更新」概念作了新闡釋;最後基於可持續發展和有機再生的理論基礎,提出了保護街區歷史風貌和社會生活結構延續,小規模漸進式的保護更新方法和大提倡公眾參與的整體保護和動態保護的保護更新原則。
  20. The working stress state and the stability of typical blocks of baise rcc gravity dam are computed and studied based on the 3d non - linear finite element method ( fem ) and rigid body - spring element method ( rbsm ). the analysis of failure process, failure mode, failure mechanism of the dam are studied with overload method and combined method in which rock strength parameters are decreased while water load is overloaded to a certain degree. in this paper, the following works are done

    本文充分發揮有限單元法和剛體彈簧元法的優,對百色rcc壩典型壩段( 9b 、 4b )地基穩安全進行數值分析和計算,從超載法、綜合法等不同度,對壩基穩開展研究,分析壩體和壩基破壞過程、破壞形態和破壞機理,確壩基可能的滑動路徑和滑移模式,評價工程的穩安全
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