運動學上地 的英文怎麼說
中文拼音 [yùndòngxuéshàngde]
運動學上地
英文
kinematically-
However, as a great bibliophile in the north, geng wenguang didn ’ t draw acadamic cirles ’ attention and his position in the history of book collecting and bibliography didn ’ t get the reserved recognition in the qing dynasty. therefore, with his book collecting activity, cataloguing activity and bibliography thought as research topic, after wide collecting 、 organizing and ranking the related materials from the point of document
故本文將他的藏書、編目活動和目錄學思想作為研究課題，運用文獻學方法，並通過實地考察，對相關文獻進行廣泛的搜集、梳理、考證、排比，分生平及其藏書活動、編目活動、目錄學成就和結論四個部分，全面、系統地分析評介了他在目錄學上的成就和貢獻。This paper studies the perturbation action of celestial bodies ' movement on the earth from the view of celestial mechanics, and furthermore analyzes the effect of celestial bodies ' movement on the natural slope stability due to phosphorus ore mining in mountainous areas
摘要針對宜昌磷礦高陡山區地下開采對上部山體穩定性影響，從天體力學的角度探討天體運動對地球的攝動作用，並分析月球運動的引力對山區磷礦自然坡失穩的影響。Galileo strongly fought against the traditional ideas of the aristotle ' s theories, and he formed the thought of identity, continuance and dialectical materialism in course of his scientific research. he had written the book dialogue concerning the two chief world systems - ptolemaic and copernican to refute the theory that the earth was static, and push the copernicus " revolution forward by protecting and advocating the cosmic principle of copernicus ; he get many scientific theories by making a thorough study of motion, so provided the materials need of which newton was ; he applied the scientific method firstly in history of science which combined mathematical inference with experience and observation organically, and entrusted modern meaning to some old - time methods, so advanced the development of scientific knowledge greatly and began the history of modern physics
伽利略強烈反對亞里士多德式的傳統思維觀念，在長期深入的運動研究中發展了同一性和連續性思想，以及把物質性質劃分為兩類的機械唯物主義思想；他著書立說駁斥「地靜說」 ，捍衛和宣揚「地動日心」的宇宙結構，推動了「哥白尼革命」 ；他深入研究運動，獲得大量科學理論，為牛頓綜合提供了豐富的材料；他在科學史上首次使用數學演繹與觀察實驗有機結合的科學方法，並賦予一些古老研究方法以現代含義，大大推進了科學認識的發展，開創了現代物理學歷史。Sxotf is recognized in the northern qaidam based on the analysis of structures of area. this oblique trusting fault zone with northwestern - southeastern trending consists of fault gouge, fault breccia and fault cleavage. fault hanging wall consists of sertengshan - xitieshan napple, which is distribution in dextral en echelon. fault footwall consists of youcangshan formation in neogene
本文在對賽什騰? ?錫鐵山斜沖斷裂詳細地段構造解析的基礎上，結合盆地的沉積特徵、地球物理資料等對該斜沖斷裂的幾何學、運動學及形成時代進行了研究，論文著重探討了賽什騰? ?錫鐵山斜沖斷裂的地質意義。Paragraph of time, the physical - training teacher educating a branch to organize implement new class bid to middle and primary school reforming condition making an investigation, indicate on inquiry in the front, scale is small since a little school running a school, a little rural area elementary school, does not move space especially, be not enough to pay attention to waiting a minute or to physical training, do not have very good according to that new class switches over to demand to open enough physical education, since entering the higher school the system restraint, a little school defies student sports activities and good health, physical education birthplace having some of higher class with the method of work " resorting to fraudulence ", go ahead culture class within outside row physical education, at present major middle and primary school stadium field layout, equipment and material facilities are obsolete, short - supplied, foundation has no way to ensure that regular sports of school is flexible carrying out, is difficult to say material request adapting to new class more
前段時間，教育部門組織體育教師對中小學實施新課標改革情況進行調查，調查表明，一些學校由於辦學規模小，特別是一些農村小學，沒有運動場地，或者對體育鍛煉不夠重視等等，沒有很好地按照新課改要求開足體育課，由於升學制度的制約，一些學校無視學生體育活動和身體健康，有些高年級的體育課貫用「偷梁換柱」的做法，外排體育課，內上文化課，目前多數中小學體育場地布局、器材設施陳舊、緊缺，根本無法保證學校正常的體育活動的開展，更難以說適應新課材的要求。To improve the rising - falling character and the walking stability of the hexapod robot, on the basis of its kinematics analysis, thin paper presents its fact trajectory planning on the flat ground without obstacles
摘要在對六足步行機運動學分析的基礎上，為了改善步行機的起落特性及步行穩定性，進行了平地無障礙足端軌跡規劃。It was also the age of the islamic renaissance and the arabs generally improved upon the arts and sciences that they imbibed from the land they overran during their great jehad
也是在這個時候，是伊斯蘭復興運動，阿拉伯人在他們偉大的聖戰中從這些被征服的土地上吸收知識來對他們的藝術和科學加以改進。The black - and - white photos, taken by three cameras, show deep channels and layered surface debris around the planet ' s midsection, features that probably were formed by water, said alfred mcewen, a mission scientist and university of arizona professor of planetary science. the images were taken from an altitude of 1, 547 miles above the surface, about three times higher than the orbiter will be when it formally begins its science mission in november
據路透社3月24報道，參與此項任務的亞利桑那大學行星學教授艾爾佛雷德麥克尤恩說，這批黑白照片是由火星偵察軌道器mro上的3臺照相機拍攝的，照片顯示，火星中部地區分佈有深溝和層狀表面的巖屑，這些地貌有可能是水的運動造成的。The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation
小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性To work out a mathematical relationship of the “ dopplereffect ” ， relating the pitch to the relative motion of source andobserver ， the austrian scientist christian johann doppler placedtrumpeters on a railroad flat car and musicians with a sense ofabsolute pitch near the tracks. a locomotive engine pulled theflat car back and forth at different speeds for two days. themusicians on the ground “ recorded ” the trumpet notes as the trainapproached and as it receded
為了計算出「多普勒效應」的一個數學關系，即音調和運動中的聲源和觀察者之間的相對關系，奧地利科學家克里斯蒂?約翰?多普勒讓幾位吹號人坐在一節平板火車上，讓幾個對音調特別敏感的音樂家坐在鐵軌附近。The characteristics of the movement and deformation of the crust were traditionally determined with the geological and seismographic methods. however, the result obtained with the geological and seismographic methods is virtually an average one on the time scale of millions and / or hundreds of years, and the current movement and deformation of the crust cannot be described well
傳統上，一般用地質和地震學方法來確定地殼的運動和變形特徵，但二者確定的地殼形變結果分別是百千萬年和百年左右的平均結果，難以描述現今地殼運動和變形的特徵。The notable torsion effects of the surface ground motion above the alluvial valley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher. ( 4 ) antiplane surface motion of the underground circular soft inclusion and the underground homogeneous soft interlayer is investigated in this paper. the results indicate : surface displacement amplitudes just above the soft inclusion of small depth - to - width ratio is amplified and soft interlayer of small depth - to - thickness ratio is amplified to a certain degree, and moreover, the latter is lower limit of the former
結果表明：垂直入射時，小深寬比軟夾塞上方地表位移幅值有較大的放大，小深厚比軟夾層的地表位移幅值也有一定的放大，且後者為前者的下限；波接近掠入射時，軟夾塞正上方地表點和軟夾層的中國地震局工程力學研究所碩士學位論文一地表位移幅值都沒有放大，而軟夾塞迎波面一側地表點的位移幅值會有一定的放大；軟夾塞上方的地表位移運動有較強烈的扭轉效應，且此扭轉效應隨入射波頻率的增高而增強。Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed
本文以裂隙介質的波動理論作指導，根據hudson裂隙理論，求出eda介質的彈性參數。在此基礎上，應用christoffel方程求出的地震縱波相速度表達式，探討了裂縫密度和裂隙方位對代表波場運動學特徵的縱波速度和代表波場動力學特徵的反射系數的影響。A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path
本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討，在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型，推導出了一個通用的移動機器人堆積方程，在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解；使用muir和newman的運動學建模方法，推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法；在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析：推導了一種理論精度較高的航位推算演算法，並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬；最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路，較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題；本論文研究成果已在本實驗室所開發的樣機上得到實現，經過應用與考核證明其中的分析與設計是切實可行的。On the base of the kinematics modeling and lagrange dynamics equation, the mathematical modeling is set up to dynamics of the robot. by using this method, the driving moment needed by every joint is easy to be calculated, based on which dynamics analysis can be done and motor can be selected
在運動學建模的基礎上，基於拉格朗日動力學方程進行機器人的動力學建模，該建模方法可以方便地分析各關節所需的驅動力矩，作為動力學分析和機器人電機選型的依據。This paper includes : on the basis of ty160c bulldozer made in tianjin construction machinery works, completing the design and intensity verifying of dgsy - 25 pipe crane ; using high - grade 3 - dimensional plotting software ug ( unigraphics ) to sculpt ; using adams ( automatic dynamic analysis of mechanical systems ) to establish virtual prototyping model and do dynamic simulation, and verifying the feasibility of this design precept and provide the basis for trial - manufacture of physical prototyping. at the same time, still simulating all kinds of danger operating mode in the course of production, which provides the theoretical foundation for rationally selecting ballast type to prevent the occurrence of overturn accidents
本文在天津建築機械廠生產的ty160c推土機的基礎上，完成了dgsy - 25型吊管機的改裝設計及強度校核；使用三維實體建模軟體ug建立了模型；使用機械繫統運動學/動力學模擬軟體adams建立了液壓? ?機械一體化的虛擬樣機模型，並進行了動力學模擬，驗證了設計方案的可行性及結構設計的正確性，為物理樣機的製造提供了參數依據；對生產作業過程中的各種危險工況進行了模擬分析，為科學地選用配重類型以防止傾覆事故的發生提供了理論依據。Basing on the acquaintence of the stratum, the rock, the structural setting, the tectonic framework and the research in the stratum, the rock and the structure of dam area in detail, using the modern principle of tectonic analysis, this paper analyzes the geometry characteristics, the deformation characteristics, the dynamics characteristics, kinematics characteristics of the dislocation interfaces. further more this paper discuss " the structural generation, the structural sequence and the structural evolution of the dislocation interfaces
在了解區域地層、巖石、構造背景和格局等基礎上，結合對壩區地層、巖石和構造的詳細調查研究，採用現代構造解析的原理和方法，對壩區錯動帶幾何學特徵、變形特徵、動力學特徵和運動學特徵進行了全面的分析，並在此基礎上探討分析了壩區錯動帶的構造世代、變形序列及構造演化。Tectono - thermal modeling is based on the geological - geophysical models of basin formation, which include kinematic model, kinematic - rheological model and dynamic model
摘要沉積盆地構造熱演化模擬建立在盆地成因的地質地球物理模型基礎之上，其中包括運動學模型、運動學流變學模型和動力學模型。The gauss - ray tracing have the dynamic and geometric character. it can compose the record by calculating the high frequency wave in transverse anisotropic medium, avoiding getting the accurate ray path. it is a very steady and effective method with little calculation time and a good precision
高斯射線束正演包括地震波運動學特徵和動力學特徵，能有效的計算橫向上不均勻介質中高頻體波的合成紀錄，避開了精確求取兩點射線路徑，大大減少了計算的時間，同時又具有較高的精度，是一個很穩健有效的方法。The mechanical system using to the new technology, engineers can build system model in computer, and simulate the characteristic of kinematics and dynamics of mechanical system on realistic condition, by the valid numeric algorithm, well - round three dimension visualization technology and standard gui technology. according to the analysis results, engineers can improve or optimize mechanical systems ? designing projects and its running process. the mechanical system virtual prototyping technology can help enterprises to reduce the trial - manufacture times of physical prototyping, so that can shorten periods of designing and producing, consequently reduce the costs and improve the quality of products
藉助于這項技術，工程師們可以在計算機上建立機械繫統的模型，伴之以有效的數值演算法、成熟的三維可視化技術以及標準的圖形用戶界面，模擬在現實環境下機械繫統的運動學和動力學特性，並根據模擬結果改進或優化機械繫統的設計方案與工作過程，幫助企業最大限度地減少物理樣機的試制次數，從而縮短設計和生產周期，降低成本，提高產品質量。分享友人