滑行數 的英文怎麼說
中文拼音 [gǔhángshǔ]
滑行數
英文
planing number-
Based on hydrodynamic lubrication theory, a rectangular tire tread model for simulating the viscous hydroplaning of tire is set up, taking into consideration the effects of hydrodynamic action, squeeze action and road roughness with numerical solutions obtained
摘要根據流體動力潤滑理論，將輪胎貓性滑水問題模擬為胎面單元與路面之間的動壓、擠壓膜問題，同時考慮了路面粗糙度的影響，建立了輪胎胎面單元黏性滑水問題的數學模型，並進行數值求解。First, the noblesse new slender ship theory is introduced and modified to make it suitable for numerical calculation, with which we can calculate the wave - making resistance coefficient of a ship
首先引入noblesse新細長船理論，通過在理論方法上的改進，使之適合於半滑行船興波阻力系數。Lastly, by combining the noblesse new slender ship theory and the savitsky method, we get the wave - making resistance prediction method for semiplaning ship. examples of calculation are also presented
最後將改進的noblesse新細長船理論與sit法結合，得到了計算半滑行船興波阻力系數的方法，並給出了計算實例。The function of science and technology progress in economic development is discussed from the economic and technique. this thesis divides four contents. chapter 1 analyzies cobb - dorglas production function and so1ow " worth method in remaining " theories, and introduces this thesis ’ main content. measure to calculate chemical fibre business science and technology progress contribution rate with the " worth method in remaining ", the chemical fibre business annual report data for measure to calculate basic data, calculation method adopt excel, using this method to jilin chemical fibre business in the 1995 - 2005 years science and technology progress the contribution rate proceeds to measure and analyze
本文從技術和經濟相互關系角度論述了科技進步在經濟發展中的作用，著重分析了柯布一道格拉斯生產函數及索洛（ so1ow ） 「余值法」在我國化纖企業中的適用性。針對化纖企業多年以來受產能增加和需求不足的影響而產生的效益滑坡問題，利用企業上市公司年報數據，使用excel表進行數據計算，研究歸納出一種簡捷、科學的測算化纖企業經濟增長中科技進步貢獻率的模型方法。Chapter iii tries to establish the mathematic model of daily gas consumption forecasting, focusing on the introduction of index smooth forecasting theory and determining the reasonable flatness constant
第三章，建立了日用氣負荷預測的數學模型，重點介紹了指數平滑預測理論，確定了合理的平滑常數，進行日用氣負荷預測，用歷史統計數據與預測結果進行對比分析。The data show the fact that the working conditions of the city bus exist lower speed driving, frequent acceleration and long - range engine idle operation which lead to bad fuel economy and emission
通過這些數據的處理分析，表明城市公交客車低速行駛、頻繁起步以及滑行和駐車的發動機怠速普遍存在著燃油經濟性差和排放惡劣的狀況。This algorithm easily escapes from local optimal solution, have high searching efficiency, simple structure, convenient use. aiming at iteration, optimization and matlab optimization toolbox having low precision and difficulty to choose initial vector on acquiring nonlinear equations ’ solutions, equations ’ solution problem is translated into genetic algorithm optimization problem. nonlinear equations ’ usual genetic
針對迭代法、最優法、 matlab最優化工具箱求解非線性方程組中存在求解精度不高及初始矢量難選等問題，將方程組求解問題轉化為遺傳演算法函數優化問題，建立了非線性方程組通用的遺傳演算法解法，並將其用於汽車滑行試驗數據處理中。This thesis also focuses on the way of modeling and evaluating the language model for lvsr and introduces detailed the linear and kneser - ney smoothing techniques and the strategy to estimate the discounting parameters using maximum - likelihood criterion
同時本文還就大詞匯表語音識別系統的語言模型的構建以及評估問題進行深入探討，詳細介紹了線性平滑和kneser - ney平滑技術，並用最大似然估計的方法獲得其平滑參數。Thousands of spectators cheered as the space plane rolled 3 kilometers before halting, trailing a curtain of fine dust.
航天飛機拖著掀起的細塵滑行3公里以後停了下來，數千觀眾歡聲雷動。Abstract : three - dimension wheel - rail contact geometry is taken into account in studying the vibration between bridge and vehicle. the iteration method of wheel - rail creep force is proposed to improve the existed calculating method
文摘:對車橋耦合振動研究中輪軌關系的線性方法進行了改進，提出考慮三維非線性輪軌接觸幾何，採用迭代法求解法向力和蠕滑系數。In this paper, the choice of index is discussed in the index - smooth method for forecasting the catch per year for marine fishing
摘要筆者以海洋捕撈年產量的預測為例，對指數平滑法中平滑指數的取值問題進行了探討，並提出了一種新的取值方法。( 2 ) the fundamental methods of coordinating gis and professional statistic software to input and output data to have a hazard assessment of landslide are concluded
（ 2 ）總結出了gis和專業統計分析軟體協同工作、進行數據轉入轉出聯合進行滑坡危險性評價的基本方法。It is well known that the wavelet liner approximation ( i. e, truncating the high frequencies ) can be approximate smooth singals very efficiently. however, for example, piecewise continous signals with large jump in signal value or in its derivatives, standard wavelet linear approximation techniques cannot achieve similar results for signals which are not smooth. to overcome these problems within the standard wavelet transform framework, the paper proposed the double adaptive wavelet transforms
眾所周知，小波的線性近似（只用低頻系數而不採用高頻系數進行重構的方法稱為線性近似）能非常有效的近似初始的光滑信號。然而對于非光滑信號，例如具有跳變點的分段連續信號，標準小波的線性近似就不能獲得如光滑函數那樣好的結果。The following two chapters make of the third part. chapter five analyses the failure factors of test model and identifies the valid scope of two - part wedge theory. chapter six extends the valid scope of two - part wedge theory, and puts forward integer slide theory, then uses the extended theory calculating a concrete project, seismic design suggestions are proposed finally
第三部分包括第五章和第六章，第五章對試驗模型的破壞影響因素進行數值分析，確定了「雙滑楔體」理論的適用范圍，並對各種破壞因素進行了分析；第六章拓廣「雙滑楔體」理論適用范圍，補充介紹了整體滑動理論，應用拓廣后的理論計算實際工程，為實際工程的基坑邊坡設計提供參考依據。Secondly, the finite - element analysis on the typical slope section is performed with establishment of geology model, definition of boundary condition and proper selection of mechanical parameters. the result shows that the slope is of integral stability, and the failure mode mainly comprises infrequent block drop and wedge body breakage. considering the two failure modes of plane failure and wedge body breakage, and stability calculation under different work conditions, the slope stability is discussed and the sensibility ana lysis on its fraction angel and cohesion force is made
然後通過建立地質模型、確定邊界條件、選擇合理的力學參數，取典型斷面對邊坡進行數值分析，分析結果表明斜坡整體是穩定的，破壞類型以零星掉塊和楔體失穩下滑為主；為了定量計算邊坡的穩定性，對邊坡兩種破壞類型：單滑面下滑和雙滑面楔形體下滑，考慮不同工況進行穩定性計算，並對摩擦角和粘聚力進行穩定的敏感性分析。According to the relationship between different sensitive degree of monitoring displacement and quantity of monitoring information, the sensitive zones of displacement to the fluctuation of reservoir water level are divided into different degrees by the approach of fuzzy pattern recognition
根據位移的變化對庫水變化敏感程度的不同與監測信息量獲取大小的關系，採用模糊模式識別方法對三峽庫區水庫型滑坡位移場變化對水庫水位變化的敏感程度進行數值分區。Afterwards, combining mathematical model with simulation model, the moving air traffic flow in airport was further analyzed ; the algorithms of random flight generation, departure waiting list and taxiing flow optimization was proposed to construct the airport practical evaluation model
然後，結合數學規劃模型和模擬模型，進一步分析了機場空側系統空中交通流的運動情況，提出了隨機飛機流增減演算法、跑道頭離場等待隊列和滑行飛機流優化演算法，構建以實際飛行計劃為依據的機場實際容量評估模型。The characteristic parameters of effective debris in a ferrograph have been calculated in the present thesis, like area, perimeter, aspect ratio and granularity, in which some methods have been adopted such as smoothing, filtering and thresholding and so on, according to tribological theories and computer technologies and digital image preprocessing
本論文基於摩擦學原理和計算機技術，通過對鐵譜片進行數字化圖像預處理，採用對譜片圖像的平滑、濾波以及閾值二值分割等方法，計算出譜片中特徵磨粒的一些特徵參量，如面積、周長、粒度以及縱橫比等。After description of slide line fields according to the different proportion of width / diameter, the stress function in flat plate upsetting has been determined, the changing rule of slide line fields been described, the process of column upsetting been simulated by using the software of abaqus and the theoretical value been proved through comparing the simulation value with the theoretical value
摘要本文應用滑移線理論來求解平板鐓粗模型，描述了在不同寬徑比下的滑移線場，確立該模型單元的應力場表達式，描述其滑移線場的變化規律，最後運用abaqus軟體對圓柱體鐓粗進行數值模擬，將模擬值與理論值進行對比，對理論值進行驗證。According to the aircraft taxi law and the conflicts on taxi routes, a mixed integer linear programming formulation was modelled based on the standard taxi routes
根據飛機在機場地面的運動規律，基於確定的滑行路徑，考慮滑行路線沖突，建立了該問題的混合整數規劃模型。分享友人