random analysis造句
例句與造句
- Random analysis of 13 clones with enzyme restriction showed that 10 plasmids in the clones contained 300 - 600 bp inserts
胭p二:廠。施二中nadp一蘋(píng)果酸酶活性高的多。 - The random analysis of 4ws is focused on stochastic stability , especially in stochastic bifurcation . the results have both theoretical and application significance
汽車(chē)四輪轉(zhuǎn)向系統(tǒng)的隨機(jī)振動(dòng)分析的側(cè)重點(diǎn)在于隨機(jī)穩(wěn)定性的分析，特別是在隨機(jī)分岔的分析方面，具有重要的理論和實(shí)際意義。 - Based on the study for the methods of structural reliability analysis , including monte carlo method , response surface method and stochastic finite element method , response surface method ( rsm ) is selected . based on the random analysis of aqueduct ' s frequent actions and resistances , by rsm method together with the fem method and form method , the reliabilities of its primary poles can be analyzed and the reliability of the structure be reached
利用此方法，在對(duì)渡槽常遇荷載的不確定性分析和抗力不確定性分析的基礎(chǔ)上，結(jié)合結(jié)構(gòu)分析的確定性有限元法( fem )及可靠度計(jì)算的一次二階矩法( form ) ，對(duì)桁架拱結(jié)構(gòu)主要受力狀態(tài)構(gòu)件進(jìn)行了可靠度分析，從而對(duì)結(jié)構(gòu)的可靠性進(jìn)行了評(píng)價(jià)。 - Theory of portfolio optimization is an important part of the modern ? nance in - vestment theories , which uses mathematical facilities such as convex analysis , random analysis , nonsmooth analysis , ( nonlinear ) programming etc , combined with the mean - variance method the basic method of modern portfolio theory . by setting up mathe - matical models , discussed the investment rules of ? nance market and o ? ered theoretic guide for investors
投資組合優(yōu)化理論是現(xiàn)代金融投資理論的重要組成部分，它運(yùn)用凸分析、隨機(jī)分析、非光滑優(yōu)化、 (非)線(xiàn)性規(guī)劃等數(shù)學(xué)工具，并與現(xiàn)代投資組合理論的基本方法均值方差方法相結(jié)合，通過(guò)建立數(shù)學(xué)模型討論金融市場(chǎng)投資規(guī)律并為個(gè)人或機(jī)構(gòu)投資者提供理論指導(dǎo)。 - The pseudo excitation method ( pem ) has brocken its efficiency - bottleneck , and appears to be quite effective in coping with such multiple excitation random analyses . therefore introducing the random vibration approach into the bridge engineering as a tool of seismic designs not only meets the objective requirement and the modem technological development , a good methodology background is also available
虛擬激勵(lì)算法突破了計(jì)算效率瓶頸，并且易于處理多點(diǎn)激勵(lì)問(wèn)題。因此，將隨機(jī)振動(dòng)法作為一種新的橋梁抗震設(shè)計(jì)方法引入我國(guó)橋梁工程界不僅符合客觀需求，體現(xiàn)了設(shè)計(jì)水平的現(xiàn)代發(fā)展趨勢(shì)；而且在方法論上也有了比較有利的條件。 - It's difficult to find random analysis in a sentence. 用random analysis造句挺難的
- The random analysis of structure under fatigue loading , the statistic finite element method ( sfem ) for fatigue reliability , random fatigue damage accumulation theory and fatigue reliability of structure system were studied in this paper with regard to the metal structure of engineering machine
本文以工程機(jī)械金屬結(jié)構(gòu)為對(duì)象，探討了疲勞載荷下的隨機(jī)結(jié)構(gòu)分析、隨機(jī)有限元計(jì)算構(gòu)件疲勞可靠度的方法、隨機(jī)疲勞累積損傷理論、系統(tǒng)疲勞可靠性分析。主要工作有： 1 - At first , this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level , and collects the corresponding data ; secondly , because there are strong nonlinear relation in the corresponding data , by meticulous theory analysis , this paper integrates basic nonlinear analysis method , theory of random analysis , method of least squares and so on . it puts forward a method which can get the high accuracy simulation of the data , perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly , it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low , and get the high - accuracy simulation about the typical nonlinear relation ; at last , this paper definitudes the main influence mode that the capacity of sand . it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover , this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先，系統(tǒng)分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，并按變量對(duì)應(yīng)思想采集它們的相應(yīng)數(shù)據(jù)；其次，由于相應(yīng)水位過(guò)程數(shù)據(jù)中含極強(qiáng)的非線(xiàn)性關(guān)系，本論文經(jīng)細(xì)致的理論分析，將基本的非線(xiàn)性分析方法、統(tǒng)計(jì)建模方法、隨機(jī)分析理論、最小均方誤差原則等等數(shù)學(xué)理論及方法有機(jī)揉合，提出了能有效實(shí)現(xiàn)這類(lèi)數(shù)據(jù)高精度擬合的分層篩選法，并改進(jìn)了統(tǒng)計(jì)學(xué)中多因子(三個(gè)以上)方差分析法；再次，將這一方法用于黃河中高及中低含沙類(lèi)洪水相應(yīng)水位過(guò)程的擬合，實(shí)現(xiàn)了這一典型非線(xiàn)性關(guān)系的高精度擬合，各年汛期上下游相應(yīng)洪水位過(guò)程的擬合誤差都較??；最后，明確黃河下游含沙量對(duì)水位的主要影響方式，即含沙量主要是與其它因素聯(lián)合對(duì)水位作用；另外分析了要實(shí)現(xiàn)變動(dòng)河床洪水位過(guò)程準(zhǔn)確預(yù)報(bào)的困難所在及改進(jìn)方向。