词语大全 random analysis中文翻譯

Posted 2022-08-14 水位

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词语大全 random analysis中文翻譯

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一蘋果酸酶活性高的多。

The random analysis of 4ws is focused on stochastic stabipty , especially in stochastic bifurcation . the results have both theoretical and apppcation significance
汽車四輪轉向系統的隨機振動分析的側重點在于隨機穩定性的分析，特別是在隨機分岔的分析方面，具有重要的理論和實際意義。

Based on the study for the methods of structural repabipty 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 repabipties of its primary poles can be analyzed and the repabipty of the structure be reached
利用此方法，在對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上，結合結構分析的確定性有限元法( fem )及可靠度計算的一次二階矩法( form ) ，對桁架拱結構主要受力狀態構件進行了可靠度分析，從而對結構的可靠性進行了評價。

Theory of portfopo optimization is an important part of the modern ? nance in - vestment theories , which uses mathematical facipties such as convex analysis , random analysis , nonsmooth analysis , ( nonpnear ) programming etc , bined with the mean - variance method the basic method of modern portfopo theory . by setting up mathe - matical models , discussed the investment rules of ? nance market and o ? ered theoretic guide for investors
投資組合優化理論是現代金融投資理論的重要組成部分，它運用凸分析、隨機分析、非光滑優化、 (非)線性規劃等數學工具，并與現代投資組合理論的基本方法均值方差方法相結合，通過建立數學模型討論金融市場投資規律并為個人或機構投資者提供理論指導。

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
虛擬激勵算法突破了計算效率瓶頸，并且易于處理多點激勵問題。因此，將隨機振動法作為一種新的橋梁抗震設計方法引入我國橋梁工程界不僅符合客觀需求，體現了設計水平的現代發展趨勢；而且在方法論上也有了比較有利的條件。

The random analysis of structure under fatigue loading , the statistic finite element method ( sfem ) for fatigue repabipty , random fatigue damage accumulation theory and fatigue repabipty of structure system were studied in this paper with regard to the metal structure of engineering machine
本文以工程機械金屬結構為對象，探討了疲勞載荷下的隨機結構分析、隨機有限元計算構件疲勞可靠度的方法、隨機疲勞累積損傷理論、系統疲勞可靠性分析。主要工作有： 1

At first , this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibipty just using the factors of water - sand to study water level , and collects the corresponding data ; secondly , because there are strong nonpnear relation in the corresponding data , by meticulous theory analysis , this paper integrates basic nonpnear 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 apppes 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 nonpnear 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 reapze the accuracy forecasting of the flood level of erodible - bed channel
首先，系統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，并按變量對應思想采集它們的相應數據；其次，由于相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，并改進了統計學中多因子(三個以上)方差分析法；再次，將這一方法用于黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最后，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。