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。
The simulation proves the approximate method can greatly reduce the structural displacement . third , the adrc is used in the structural seismic response control 2 、將時滯線性系統(tǒng)h _控制的近似方法應(yīng)用到結(jié)構(gòu)減振主動控制中。
The achievement mainly includes three parts . first , the approximate method is put forward which aimed for solving the h control problem of time delay system 主要研究成果包括: 1 、對時滯線性系統(tǒng)的h _控制問題,提出了一個近似方法。
In chapter 3 , the approximate method is put forward , by which we can transform the linear system with time delay to that one without time delay 第三章、研究了時滯系統(tǒng)h _控制問題,提出了一個近似方法,并將該方法運用到狀態(tài)時滯結(jié)構(gòu)主動控制中。
Thirdly , the methodologies of equivalent linearization and moment equations method in the approximate method for random vibration of nonlinear structure are studied 第三,對非線性結(jié)構(gòu)隨機振動近似分析方法中的隨機等效線性化法和矩方程法進行了研究。
At the same time , the nonlinear finite element methodconsidering p - effects , the approximate methods and methods recommended bycodes in several countries are introduced 同時,介紹了計算p -效應(yīng)的有限元方法、近似的計算方法以及各國規(guī)范的考慮方法。
At last , an approximate method for evaluate fatigue life of structures under repeat random stress block is presented through a lot of calculation examples 進一步分析了隨機應(yīng)力循環(huán)下結(jié)構(gòu)的疲勞損傷,導(dǎo)出損傷演化的遞推公式,并結(jié)合大量的計算給出結(jié)構(gòu)在應(yīng)力塊重復(fù)循環(huán)下疲勞壽命估算的一個近似方法。
The accurate numerical method for calculating the coupling factor and the receiving power at near field of the optical fiber is necessary to diminish the error risen from some approximate methods published 對光纖耦合系數(shù)和近場范圍內(nèi)的光纖接收光強的測量數(shù)據(jù)的分析必須使用準(zhǔn)確的方法計算,近似方法存在較大的誤差。
The method can transform the h control problem of time delay system into the well - developed h control problem without time delay . second , the approximate method is applied to the structural seismic response control 該近似方法可以將時滯線性系統(tǒng)的h _控制問題轉(zhuǎn)化為已得到完全解決的無時滯線性系統(tǒng)h _控制問題。
The elastoplastic finite element method overcomes the limitation that only the uniaxial local stress and strain could be calculated by the approximate method , establishing the base of multiaxial fatigue analysis 彈塑性隨機有限元分析,克服了以往近似方法只能計算單軸局部應(yīng)力應(yīng)變響應(yīng)的缺陷,為多軸疲勞分析建立了基礎(chǔ)。
For each stiffener element , the average stress - strain relationship under axial load as a beam - column in the flexural buckling mode is derived based on the approximate method , proposed by gordo and guedes scares 這種方法對傳統(tǒng)船型是有效的,但是它不能給出船體極強度的真實估算,而且當(dāng)應(yīng)用于非傳統(tǒng)船型時其計算結(jié)果不能令人滿意。