普圖先科 的英文怎麼說
中文拼音 [pǔtúxiānkē]
普圖先科
英文
ptushchenko- 普 : Ⅰ形容詞（普遍; 全面） general; universal Ⅱ名詞（姓氏） a surname
- 圖 : Ⅰ名詞1 （繪畫表現出的形象; 圖畫） picture; chart; drawing; map 2 （計劃） plan; scheme; attempt 3...
- 先 : 名詞1 （時間或次序在前的） earlier; before; first; in advance 2 （祖先; 上代） elder generation; ...
- 科 : Ⅰ名詞1 （學術或業務的類別） a branch of academic or vocational study 2 （機關按工作性質而分設的單...
- 普圖 : poutout
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With the development of automobile industry and road transportation ， the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore ， it is urgent to study vehicle collision accidents comprehensively and systematically ， and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results ， this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly ， according to the collinear collision and two - dimension collision and the restitution coefficient ， the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly ， this paper try to research reconstruction of road traffic accident and put forward the method on it
對交通事故的科學分析應是建立在正確的數學模型與計算機模擬技術基礎上的定量分析，其基本條件就是要有能正確描述事故過程中汽車狀態的數學模型，只有建立正確的數學模型，才能較準確地推定事故車輛的碰撞速度。所以建立正確地車輛碰撞模型和運動模型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上，深入地研究汽車碰撞理論，分析了車對車碰撞作用瞬間狀態的計算模型及碰撞恢復系數與碰撞前、后速度的關系；其次，根據交通事故中最普遍的一維和二維碰撞的不同情況，採用恢復系數和滑動摩擦系數等概念，分別建立了碰撞后車輛動力學模型；第三，對汽車碰撞事故再現進行了初步研究，確定了車對車碰撞事故模擬計算和反推計算方法，並給出相應的模擬程序流程圖。The census and statistics department has embraced technological advancement with the adoption of the digital mapping system in the 2001 population census 2001c, the first time the technology being applied in population census in hong kong
政府統計處在二一年人口普查將引用先進科技，採用數碼地圖系統協助工作進行，這是香港首次在人口普查中應用此項科技。The census and statistics department ( c & sd ) has embraced technological advancement with the adoption of the digital mapping system ( dms ) in the 2001 population census ( 2001c ), the first time the technology being applied in population census in hong kong
政府統計處在二零零一年人口普查將引用先進科技，採用數碼地圖系統協助工作進行，這是香港首次在人口普查中應用此項科技。
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