查询词典 inversion point

For a class of bilevel multi-objective decision,this paper converts it into the problem of equivalent single-level multi-objective decision,then makes use of the inversion property of the genetic algorithm with the ergodic property of the chaos optimization method.

针对求解一类二层多目标决策问题，首先将其转化为等价的单目标决策问题，然后利用遗传算法优化的反演性和混沌优化方法的遍历性，并结合精确不可微罚函数求解非线性约束优化问题，提出了求解此类问题的混沌遗传算法。

For a class of bilevel multi-objective decision,this paper converts it into the problem of equivalent single-level multi-objective decision,then makes use of the inversion property of the genetic algorithm with the ergodic property of the chaos optimization method.Combined with exact non-differentiable penalty function,a new chaos genetic optimization algorithm is presented.

针对求解一类二层多目标决策问题，首先将其转化为等价的单目标决策问题，然后利用遗传算法优化的反演性和混沌优化方法的遍历性，并结合精确不可微罚函数求解非线性约束优化问题，提出了求解此类问题的混沌遗传算法。

A class of bilevel multi-objective programming was converted into the problem of equivalent single-level multi-objective programming. Then a new chaos genetic optimization algorithm was presented by using the inversion property of genetic algorithm and the ergodic property of chaos optimization method and combining with the exact l_1 penalty function.

针对求解一类二层多目标规划问题，首先将其转化为等价的单目标规划问题，然后利用遗传算法优化的反演性和混沌优化方法的遍历性，并结合精确罚函数求解非线性约束优化问题，提出了求解此类问题的混沌遗传算法。

Know the error transmiting law clearly, as well as the effect of static migration to inversion result and the MT observation frequency distribution interval reasonability problem.

论文研究了实测资料中的误差对反演解释结果的影响，明确了误差传递规律，以及静态效应对反演解释结果的影响规律，论文探讨了MT观测频率分布间隔的合理性问题。

The uncertainties of the parameter estimation are analysed in terms of the posterior probability distributions of inversion results.

最后利用参数的后验概率分析反演结果的不确定性。

Extended Euclidean Algorithm is selected to realize inversion from the standpoint of saving time.

对比了两种模逆算法，从节约时间的角度选取了扩展的欧几里德方法。

All patients were followed up for 12 months and showed no traumatic knee osteoarthritis, inversion or eversion of the knee.

随访12个月，未发生创伤性膝关节炎、膝关节内翻和外翻畸形。

In addition, the changes of evertor/invertor ratio after recurrent inversion sprains are not clear.

另外，外翻肌／内翻肌比值(evertor/invert ratio)在脚踝扭伤后的改变也仍不清楚。

Results Four patients had shortly ventricular extrasystole, ST segment depress and T wave inversion in groupⅠ; the parameter values kept statistically stabilization in group Ⅲ compared with groupⅠand groupⅡ.

结果：Ⅰ组插管后即刻、插管后2 min的SBP、HR和RPP值均显著高于雾化前基础值(P＜0.01)，SBP在插管后5 min仍高于基础值(P＜0.05)。Ⅱ组插管后即刻SBP、HR和RPP与基础值比较明显增高(P＜0.01或P＜0.05)。

The conventional non-linear seismic inversion methods are low in convergence and sometimes will result in the problem of local extremum.

传统非线性反演方法存在着收敛效率低，有时会陷入局部极值的问题。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。