查询词典 refutable formula

The characteristic, difference and relation of the normal and inverse design are compared detailedly. The formula of the first and second class eigen sensitivity are given. For the horizotal vibration system of building structure, the sensitivity method and perturbation method are adopted to modify the dynamic characteristics. The inverse eigenvalue problem of Jacobi matrix and the positive, symmetry, band matrix are studied. The method of Evolutionany Computation is first used in the inverse design of building structure, the principal problems are studied. The features of aseismatic inverse design of building are analysed.

本文较详细地比较了正、逆设计的特点；给出了特征值和特征向量的一阶和二阶灵敏度分析公式；对于建筑结构水平振动系统，提出了结构动态特征的修改方法；对Jacobi矩阵及实对称带状矩阵的逆特征值问题进行了分析研究，首次将其引入建筑结构抗震逆设计中；首次将进化计算方法应用于建筑结构抗震逆设计中，对主要问题作了探讨；对建筑结构抗震逆设计的特点进行了分析，提出未来的发展方向和前景。

By applying frequency analysis method to a standard active band-pass filter circuit,a formula to calculate characteristic frequencies is offered.

为了消除这些信号所产生的不良影响，人们最先想到的就是利用一个理想的带通滤波器，将这些干扰信号全部剔除。

In addition, this document is the People's Bank of monetary policy in order to unify individual housing loans in phases and also formula for calculating the amount of fat given.

此外，这份文件是人民银行的货币政策，以统一个人住房贷款的阶段，也计算公式为脂肪提供。

In the earliest days of the Christian church, it started as a baptismal formula.

在基督教会最早期的时候，它开始时是作为一个洗礼的信仰表白。

It is highly probable that the Creed was originally nothing else than a profession of faith in the Father, Son, and Holy Ghost of the baptismal formula.

这是非常可能的信条最初是没有别的比专业的信念，父亲，儿子，和圣灵的洗礼公式。

Furthermore, the general formula is illustrated as the weighted summation of historical position states, so as to prove that in terms of cumulative iterations, parameters of PSO have an inherent forgetting characteristic in probability, moreover the searching mechanisms of canonical PSO and Barebones particle swarm are almost the same.

通过将粒子运动的一般性描述图解为历史状态加权和的形式，进一步证明了PSO参数随迭代周期的积累，在概率意义上的遗忘特性。分析表明在经过一定周期的搜索后，标准PSO方法同Barebones粒子群方法(Barebones particle swarm， BBPS)具有近似的搜索机制。

Barite is a kind of natural compounds, main component is Barium sulphate, BaSO4 formula.

重晶石是一种天然的化合物，主要成分是硫酸钡，分子式BaSO4。

Having received two consecutive titles, I received an invitation to compete in the European Championship of Formula 3000 in 1992 through IL Barone Rampante team.

连续收获了2个头衔后，1992年我接到邀请去征战欧洲F3000冠军，加入IL Barone Rampante车队。

The barycentric coodinates of the horizontal projection figure of coal face are solved with the aid of the formula of geometric centre of gravity.

地下开采煤层的分布形式多种多样，平面分布形式的煤层仅是曲面分布形式煤层的一种简单情况。

The product is that one kind of unique formula basicity concentrates liquid.

本产品是一种独特配方碱性浓缩液体。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。