问题求解

Some methods of addressing the critical problem of circle movement in mechanics are presented with examples.

结合具体实例，简述了如何求解圆周运动中的临界问题的方法。

And the limit of the pressures that is not varied about an axis distributed in a hollow circular cylinder is derived.

但以往的文献将其简化为只在柱面上受均布压力，且将其化为二维空间的问题去求解 [4 ]。

After the SM and the AEM are applied to a typical boundary condition inversion problem in a circular domain and the influence of the measurement noise to the inversion accuracy is analyzed,it is s...

结果表明，灵敏度法和伴随方程法都是求解二维稳态热传导逆问题的有效方法

Complex method and multi-polar coordinate transformation are used here to study the scattering problem of SH -wave to the circular cavity in the half-space with elastic constraints acting on the straight boundary.

利用复变函数法和多极坐标移动技术求解讨论弹性约束边界半空间内浅埋圆孔对稳态入射平面SH（shearing horizontal，反平面剪切）波的散射问题。

Some basic properties of replicator dynamics and its application to maximum clique problem are presented.

首先，介绍了复制子等式一些性质以及在求解最大团问题上的作用。

A kind of neural network for solving quadratic programming problems on a closed convex set.

一种求解闭凸集上二次规划问题的神经网络模型。

Considering that both the solution of the structure natural vibration frequency and mode as well as its elastic stability coefficient can transform into eigenvalue problem of the structure dynamic equilibrium equation, taking the fundamental frequency and the elastic stability coefficient of the structure as the evaluation criteria, the possible arrangements of Mi-brace and X-brace for halfthrough CFST arch bridge with 360 m span were comparatively analyzed, and the advices for the reasonable space of the Mibrace and the X-brace were advanced.

鉴于结构自振频率、振型及弹性稳定系数的求解均可转化为源自结构动力平衡方程的特征值问题，先以结构基频及弹性稳定系数为衡量标准，对一座360 m跨的中承式钢管混凝土拱桥可能的米字撑及X撑布置方案进行了分析对比，并据此提出了X撑及米字撑的合理间距。

The idea of zero cost cycle is devised to solve the critical problem of minimum cost flow. Additional related results obtained include: the theory of bottleneck analysis based on minimum cost augmentation chain and zero cost cycle; the proof of the existence condition and the coherence condition of bottlenecks based on network output; methods to solve various kinds of process bottlenecks; the development of the algorithms of optimization and bottleneck analysis of MCPN (i. e, MCPN-CBA1 and MCPN-CBA2); a series of scheduling strategies and algorithms based on cost analysis, profit evaluation and bottlenecks of process flow line.

四。提出了基于工艺流程成本分析、利润评价的两类生产网络模式：最小成本生产网络和最大利润生产网络；首次提出零成本圈的概念，从而提出并研究了最小费用流的临界问题；创建了基于最小成本增广链、零成本圈的瓶颈分析理论，证明了过程瓶颈的存在性条件以及基于网络加工量的瓶颈一致性条件；给出了求解各类瓶颈的关键技术，研究开发了MCPN的瓶颈分析算法MCPN-CBA1、MCPN-CBA2；提出了一系列基于工艺流程成本分析、利润评价及过程瓶颈的调度策略和调度算法。

Rational collocation method based on Sinh transform is applied to solve the sequence of the linear problems.

利用基于Sinh变换的有理配点法用来求解一系列线性问题。

Then, both the stationary and non-stationary random response of hysteretic system with cubic rigidity and sticky damp were deduced and calculated. In the research of colored white noise, the filter for shaping the power spectral density was designed and the random state response of enlarged vector was gotten. With this, the experimental power spectral curve was changed into colored white noise and the random response could be easily calculated.

对平稳白噪声，给出了平稳响应的求解方法并对平稳状态下的模型参数对响应的影响进行了比较与分析；在有色白噪声的研究里，通过有色白噪声的扩阶方法和构造成型滤波器来计算有色白噪声的响应，从而解决一类工程实际振动问题的仿真模拟。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。