中英
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approximate methods中文是什么意思
- 中文翻譯
- 造句
- 似方法
- approximate vt. 1.使接近。 2.接近；走近。 3.近似，約計。 4.模擬。 5.估計。 approximate a solution to a problem 使問題近于解決。 approximate something to perfection 使某物臻于完善。 The total income this year approximates 10,000 dollors. 今年總收入接近一萬元。 approximate the motions of the stars in a planetarium 在天文館中模擬行星的運行情況。 We approximated the distance at 100 miles. 我們估計行程距離為100英里。 vi. 近于。 His income this year approximates to 8,000 dollars. 他今年的收入接近八千美元。 adj. 近似的，大概的。 an approximate account 簡要的說明。 an approximate date 大約的日期。 the approximate estimate 大概的估計。 an approximate number 概數(shù)。 an approximate value 近似值。 adv. -ly 大體，大致。
- approximate to 近擬,接近; 近于; 與…接近
- be approximate to 近似, 約計
- to approximate to 與.....接近
- methods (方法)：是指定給對象的函數(shù)。在函數(shù)被指定給對象之后，該函數(shù)就可以被稱為是該對象的方法。; 方式; 理論; 套套; 研究方法
- methods of 個案工作的方法
- appr approximate 大約
- approx approximate 大約
- approximate adjustment 近似平差
- approximate altitude 概算高度; 近似高度
- approximate analysis 近似分析
- approximate answer 近似回答
- approximate approach 近似法
- approximate assumption 近似假定
- approximate boundary 概略界線
- approximate caculation 近似計算
- approximate calculation 概算; 近似計算; 近似算法
- approximate circle 近似圓
- approximate composition 大致成分; 近似成分
- approximate configuration 大致的尺寸形狀
- approximate construction 近似結(jié)構(gòu); 近似準(zhǔn); 近似作圖
- approximate continuity 近似連續(xù)性
- approximate continuous 近似連續(xù)的
- approximate contour 近似等高線
- approximate convergence 近似收斂
- Abstract : an approximate method has been used in this paper to calculate the stress concentration factor for a finite wide plate with a small circular hole under tension . the stress concentration factor has been obtaind analytically
文摘:采用一種近似方法，對含偏心小圓孔的有限寬板條在單向拉伸時孔邊的應(yīng)力集中系數(shù)進(jìn)行了求解，得出了解析表達(dá)式 - At last, all the factors which may affect the model test mainly for creep & shrinkage effect and the principle for designing model have been discussed, and an approximate method to deduce camber of original bridge from model deflection is presented
對橋梁結(jié)構(gòu)徐變試驗的影響因素及處理原則進(jìn)行了研究，提出了從模型梁徐變上拱值推算原型梁徐變上拱的方法并建立了近似計算式。 - Numerical solution is mainly applied for this problem . adopting certain assumptions, this paper presents an approximate method of obtaining the temperature field by green's function, and gives the solution of a two-dimensional field involving a circular vacant flaw
通常采用數(shù)值計算，本文通過采用一定的假設(shè)條件，提出了溫度場解析求解的近似方法，并對含有二維圓形空腔缺陷的試件溫度場進(jìn)行了求解。 - Trust region methods has drawn our attention increasingly as one approximating method guarantees general convergence . its basic step is as follows : first, we set trust-region radius, and then we get a trial step produced by constraint quadratical model
信賴域方法是近年來日益受到關(guān)注的一種新的保證算法整體收斂性的逼近方法，信賴域方法的基本步驟是首先指定一個信賴域半徑，然后用帶約束的二次模型來確定搜索方向與步長大小。 - Such limit is not due to the method itself, but is due to the limits of the speed and memory of computers . at present, we mainly use the high-frequency approximate method to analyze the electrical-large size target whose shape is relatively regular
矩量法不適于分析電大尺寸的物體，這種限制不是由于方法本身，而是碩士學(xué)位論文凡1入ster’5th卜515由于計算機(jī)速度與存儲能力的限制。目前主要采用高頻近似方法來研究電尺寸較大而形狀相對規(guī)則的目標(biāo)。 - But using the high-frequency approximate method to deal with the coupling of parts of electrical-large size target is troublesome as well as not accurate . combining the moment method and the high-frequency approximate method is a development trend and study way in the future
但高頻近似方法對于電尺寸大而形狀很復(fù)雜的散射體各部件之間的相對禍合處理起來有些麻煩且不很精確。將高頻近似方法和數(shù)值方法(如矩量法)相結(jié)合，是以后的發(fā)展趨勢和研究方向。 - But using the high-frequency approximate method to deal with the coupling of parts of electrical-large size target is troublesome as well as not accurate . combining the moment method and the high-frequency approximate method is a development trend and study way in the future
但高頻近似方法對于電尺寸大而形狀很復(fù)雜的散射體各部件之間的相對禍合處理起來有些麻煩且不很精確。將高頻近似方法和數(shù)值方法(如矩量法)相結(jié)合，是以后的發(fā)展趨勢和研究方向。 - Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed . various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings . numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared . a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane . the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles
文摘:介紹了國內(nèi)外預(yù)測航天飛機(jī)氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機(jī)翼前緣等各種外形駐點熱流密度的計算，分析和比較了平板、錐體的層流和湍流熱流密度計算的各種方法，概述了航天飛機(jī)迎風(fēng)面中心線和離開中心線橫向熱流密度的計算.計算結(jié)果表明，本文方法用在航天飛機(jī)氣動熱環(huán)境初步設(shè)計中比較簡單并且有足夠精度 - Imev and the data in which the energy respectively is 166mev 139mev, 104mev, 90mev . on the basis of two wave functions and two optical potentials above mentioned, we have investigated a serie s of knockout reactions : through the comparing of two wave functions and two optical potentials, we find that two a cluster relative vave functions which contribute to the energy sharing results of the reaction sections are very well, especially for the; that the received spectroscopic factors used vfm ( r ) are better than that used; that the former not only suits to the elastic scatterings but also to the knockout reactions; that the a cluster of knockout reactions are its local behaviors of surface . and we further testify that the distorted influences are not neglected if the incidence energies are not very high, but can be used the plane wave impulse approximate method and neglect the effects of the distorted influences if the incident energies are high enough
在利用上述的兩種束縛態(tài)波函數(shù)和兩種光學(xué)勢的基礎(chǔ)上，我們研究了一系列的敲出反應(yīng)：通過對比兩種束縛態(tài)波函數(shù)和光學(xué)勢，我們得到的結(jié)論是：兩種束縛態(tài)波函數(shù)和光學(xué)勢對反應(yīng)截面的能量分配譜的貢獻(xiàn)都比較好，但尤以波函數(shù)_(li)(r)為佳；光學(xué)勢v_(clu)+(r)得到的光譜因子比用woods-saxon勢v_(ws)(r)的結(jié)果要好，它不僅能適用于彈性散射，且對敲出反應(yīng)也能得出比較好的結(jié)果；集團(tuán)的敲出反應(yīng)是集團(tuán)表面局域性的表現(xiàn)：在中低能的入射條件下，扭曲效應(yīng)不能忽略，但入射能量較高時，扭曲效應(yīng)影響較小，可以用平面波沖量近似的方法。 - In the traditional reliability model, the probability density function of random variable is important . so, in chapter 2, the methods to get probability density function of engineering random variable are discussed . three methods, which include approximate method, monte-carlo simulation method and multiple parameter method, are compared by some examples . in chapter 3, some non-probabilistic reliability models are discussed
在傳統(tǒng)的概率可靠性模型中，變量的概率密度函數(shù)的確定非常重要，因此在本文第二章中，主要著力討論工程隨機(jī)變量概率密度函數(shù)的求解方法，說明原理，推導(dǎo)求解公式，并通過實際算例對近似解析法、monte-carlo數(shù)字模擬法、多參數(shù)法三種方法進(jìn)行對比。
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