數值法 的英文怎麼說
中文拼音 [shǔzhífǎ]
數值法
英文
numerical method-
After generalizing the characteristic of modern equipment, the mission of equipment management and general situation of chinese equipment management, basied on two forms of equipment management - - - - - - practicality & value, the author combined quantitative & qualitative methods with example to analyze and discuss questions, especially the reasonable update & depreciation, accordingly achieving the optimization of the technical efficiency & economic benefit 0 one of emphases of the thesis is methods application of equipment reasonable update, that is starting with economic benefit to looking for reasonable using fixed number of year. the thesis used inferior - converted numeric method and rate equation which based on the theory square and combined with harbor loading machines & tugboat ' s actual facts, calculated the economic life of the same machine in order to make sure harbor machines " reasonable using fixed number of year. at the same time, the author made use of midpoint value regress method and stochastic trapeziform forecast method to calculate and analyze and gain the reasonable conclusion o the other emphases is questions of harbor equipment
本文概括介紹了現代設備的特點、設備管理的任務以及我國設備管理發展的概況后，作者從設備經濟管理的兩種形態? ?實物形態和價值形態出發，採取定量與定性相結合，以定量為主，結合實例進行分析與論述，對港口設備的合理更新與折舊問題進行了著重研究，從而實現設備的技術效能和經濟效益的最優化。本文研究的重點之一是設備合理更新的方法應用，即從經濟效益出發，來尋求設備的合理使用年限。本文結合港口裝卸機械和港作拖輪的實際，運用以正方形理論為基礎的低劣化數值法和費用方程兩種方法，計算了同一種機械設備的經濟壽命，從而確定港機合理的使用年限，同時，運用了中點值回歸法和隨機梯形預測法進行計算和分析，得到了合理的結論。Two methods were used to provide water quality ratings in bio - assessment using biotic index ( bi ), ( 1 ) using the sampled sites meet the criteria for undisturbed and minimally impaired conditions, the confidence in the distribution of bi value for the 75th percentile to be used as the criterion dividing " unimpaired " form " impaired ". any values below the 75th percentile were considered as " excellent ", and values above the 75th percentile, was quadrisected for different water quality ratings
採用兩種方法研究m指數劃分水質級別的標準： （ 1 ）無污染樣點的m指數值法，以75分位數值作為最清潔水質標準，將高於此值的可能分佈范圍一等分，分別代表不同的水質級別zk ）所有樣點（污染與無污染樣點）的bi指數值法，以5分位數值作為最清潔水質的標準，將高於此值的可能分佈范圍4等分，分別代表不同的水質級別。Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered
文摘:根據縫隙口面切向場的連續條件，採用解析數值法矩量法，對扇面波導寬壁上窄的斜縫進行了計算，解得了磁流系數及其分佈，並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸，在x波段計算了散射參量和歸一化等效串聯阻抗，給出計算結果，為縫隙天線和縫隙陣列設計提供了依據The results are as follows : ( 1 ) if we increase the pumping water by 493 x 104m3, the amount of leakage recharge of rubber dam will rise by 231x 104m3 ; which indicates pumping by rubber dam can excite much more surface water infiltrate so as to supply groundwater. thus the utilization ratio of water source is increased, and it provides the reliable guaranty for enough supply of the groundwater storage in wet year. ( 2 ) under the condition of present status, the groundwater exploitable resource in wet year is 3670 104m3
最後，通過數值法反復調算計算出本區地下水的允許開采量，計算結果表明，在現狀開採的條件下，大沽河地下水庫豐水年（ p = 20 ）時地下水允許開采量為13670 10 ~ 4m ~ 3 ，平水年（ p = 50 ）時地下水允許開采量為12054 10 ~ 4m ~ 3 ，枯水年（ p =加% ）時地下水允許開采量為10951xl了砰。Comprehensive evaluation of drought resistance on different cultivars of hippophae rhamnoides l. by subordinate function values analysis
用隸屬函數值法對10個沙棘品種抗旱性的綜合評價Applying the method of subordinate function, nine physiological drought resistance indexes of 3 species were measured and a comprehensive evaluation on drought resistance of them was given
摘要對紅柳、側柏、合頭草的9個抗旱指標進行了測定，並運用隸屬函數值法對三種樹種抗旱性進行綜合分析。The indexes systems of drought - resistance identification were established quantitative analyzing with methods of grey correlation degree, subordinate function values and systematic analysis of clustering
在研究結果的數量分析過程中借引了灰色系統理論及灰色關聯度分析法，以及隸屬函數值法等數學統計分析方法對玉米抗旱性鑒定指標進行評價。Then the stability of typical slopes in different conditions such as servoir water level ' s ascending, slowly descending and sharply descending are evaluated and forecasted by means of the limiting balance method and the numerical simulating method ( flac )
利用極限平衡法和數值法（ flac ）對庫區內的典型斜坡在庫水位上升、庫水位緩慢下降和庫水位驟降等不同工況條件下的穩定前景做出了合理的評價與預測。Thermal performance of windows, doors and shutters - calculation of thermal transmittance - numerical method for frames
門窗和百葉窗的熱性能.熱傳遞系數的計算.框架的數值法Thermal performance of windows, doors and shutters - calculation of thermal transmittance - part 2 : numerical method for frames
窗門和百頁窗的熱性能.熱傳遞系數的計算.第2部分:框架的數值法The stress - strain distributions and deformation characteristics of forming process are calculated and analyzed by the successive approximation numerical method based on the incremental strain theory
基於增量理論的逐步逼近數值法，計算分析了成形過程應力應變分佈與變形特點。It ' s a iterative and heuristic technique. every time it change the rotational degree of one joint in the motion chain orderly and makes it to approach the end effector. it ' s factly a numerical solution
它是一種反復迭代的啟發式方法，它沿著運動鏈依次改變一個關節的旋轉角度，使得endeffector逐步逼近目標，實際上就是一種數值法。By means of the numerical methods, the root of the resonance frequency equation is solved, and the relation between the roots and the poisson ' s ratio is obtained
利用數值法，得出了不同材料彈性薄圓盤徑向振動超越頻率方程的一系列根。Technical norms for prediction of mine water quantity with numerical methods
數值法預測礦井涌水量技術規范Furthermore, there are complex structures such as the engine fans at the end of the inlets. it ' s hard to deal with such problems if we use high frequency method or low frequency numerical value method only
對于厘米波段雷達而言，進氣道屬于電大尺寸目標，其終端有渦輪葉片之類的復雜結構，單用高頻近似法或低頻數值法都難以解決。Status of infinite line contacts elastohydrodynamic lubrication study by numerical analysis methods
數值法研究無限長線接觸彈流問題發展狀況It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used
（ 2 ）建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程，並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為，利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程，重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。To reply the inquiry of several scholars on " the simulation of tunnel external water pressure by analytical - mathematical method ", the coefficient method, localization of pure numerical method, analytical - mathematical method relating to the calculation of tunnel external water pressure, together with the detail of the example in that paper, are discussed in the paper
摘要針對有關學者對《深埋隧道外水壓力計算的解析數值法》一文的討論，探討了隧道外水壓力計算中作用系數法、單純數值方法的局限性、解析數值法以及與計算實例等相關的幾個問題。The method avoids the shortcomings of the unreasonable mesh and slowly calculation speed with the numerical method directly
該演算法克服了直接利用數值法計算時剖分不合理、計算速度慢的缺點，使得計算結果更加快速、準確。A conclusion can be safely obtained : under the condition of considering geometric size c, which is a measurement from the center of a hole to the nearest side in the 6 - point - supported - glass, the analytic approach and the numerical analysis approach ( i. e. fea ) have a smooth unanimity, thus supplying a theoretical basis on which practical formula can be deduced through fea
得出結論： 6點支承玻璃在考慮孔邊距c影響的條件下，採用解析法與採用數值法進行計算，有較好的一致性。從而為採用有限元分析推導實用的計算公式提供了理論依據。分享友人