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Based on the flaw of the probability reliability model in the case of small amount of information,non-probability and mixed probability/non-probability reliability models are presented. When the uncertainty of the basic random variable is described by convex, analytical and numerical methods are constructed to calculate the convex of response variable. The infinite norm index, which is the minimal infinite norm distance from original coordinate point to the surface of the limit state in the standard interval space, is presented to measure the safety of the structure.

针对概率可靠性模型在小子样信息下的缺陷,建立了非概率可靠性模型及概率—非概率混合可靠性模型;给出了用集合来描述变量不确定性时,极限状态变量变化集合的解析解和数值迭代解法;提出了物理概念明确且十分易于工程应用的度量结构、机构安全程度的无穷范数指标,它是标准区间空间中坐标原点到极限状态表面的最小无穷范数距离。

We are pierced by the maddening stings of these pains just when we have become, as it were, one with the infinite primordial joy in existence, and when we anticipate, in Dionysian ecstasy, the indestructibility and eternity of this joy.

另一种"希腊的乐观"的最高贵形式,即亚历山德里亚派的乐观,是理论家的乐观;它显出我从非神酒精神推断的那些征兆,它同酒神的智慧和艺术作斗争,它竭力溶解了神话,而以世俗的调和来代替超脱的慰借藉,其实是代以它自己的一种"神机妙算",亦即使用机关妙药的神,也就是说,众所周知为高度利己主义服务的自然精神之力量,它相信它能以知识改造世界,以科学指导人生,而居然能够把个人禁锢在可以解决的问题这最狭范围内,因此人们便欣欣然对人生说道:我爱慕你呀,你是值得结识的人儿。

Set. Here we use it to iterate through the array.

在此,我们用它来迭代遍历数组。

We can communicate with English in the future if there is nobody konws Chinese there.i am glad that you said you coukd read my letter ,but these lett...

如果你那里没有会中文的朋友,那么以后我们还是用英文通信吧,谢谢你说能读懂我的信,不过这些信都是我让别人代写的,我自己写起信来还是有些吃力。

Chapter two is concerned with the interpolation-typed matrix inversion that is developed by professor Ma.

作为本文的主要部分,第三章介绍了Milne关于二元序列的迭代关系的特征定理的矩阵描述,即用AX=XB来讨论无穷阶下三角矩阵反演。

The potential energy surfaces of ground state of He—HBr complex have been calculated at several levels of theory, including the single and double excitation coupled-cluster method with noniterative perturbation treatment of triple excitation CCSD.

在用非迭代的三重激发项来校正CCSD的CCSD理论水平下,采用aug-cc- pVQZ基函数对He—HBr的分子间势进行了系统的研究。

Starting with the same number of resistant and nonresistant mosquitoes, they found that after nine generations the resistant type made up 70 percent of the population -- raising the possibility of replacing regular mosquitoes with resistant ones that don't spread disease.

实验开始时放置相同数量的免疫的和未免疫的蚊子,他们发现在繁殖九代之后,未免疫的占据了蚊子总数量的70%――这提升了用不传播疾病蚊子来取代传播疾病蚊子的可能性。

In the computational methods of TPBVP, in order to reduce some difficulties involved in solving a TPBVP via adjoint variables, we discuss a direct method in which state and control variables are indirectly parameterized, The method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables, thus converting the optimal control problem into a nonlinear programming problem, which can be solved numerically.

在数值解法中,为了减少解决两点边值问题共轭变量带来的困难,主要讨论了将状态变量和控制变量进行参数化的一种直接方法,这种方法采用了近段发展起来的使用分段的多项式来代替状态和控制变量的直接优化方法,然后最优控制问题就转化成可以用数值方法解决的非线性规划问题,使得迭代初值更加容易选取。

It is suggested that the index (1-t2) controlled by all the primary design parameters could be used as the total objective for the hull/propulsor interaction characteristic optimization, which can be carried out by sub-objective optimization controlled by parts of the design parameters and iteration procedure.

推荐采用受控于全部主参数的指标(1-t2)作为船体与组合推进器相互干扰特性优化的总目标,提出了用部分主参数控制的对应分目标优化和迭代来实现总目标优化的简明策略。

In chapter 3, as one of the main parts of this thesis, by using the mixed monotone method, we discussed the existence and uniqueness of singular elliptic boundary value problems.

第三章我们将用混合单调迭代法来证明奇异椭圆微分方程边值问题解的存在唯一性。

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推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。