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The effect of two-way bendingdeformation and warping deformation on axial displacement of beam, the effect of transverse shearingdeformation and the effect of warping deformation and quadratic shearing stress can be considered.

因此，本文在原有的空间梁元分析模型的基础上，考虑了空间杆系结构的受力变形特点，提出了更加精确合理的单元分析模型。

This paper addresses the classification capability of network containing quadratic sigmoidal neurons.

针对含二次Sigmoidal神经元的前向神经网络，研究了它的模式分类能力。

By analysing the size of the network required for solving Dichotomy problem, we can figure out the degree of the improvement on the classification capability of network by using quadratic sigmoidal neurons.

通过分析它在解决Dichotomy问题所需的规模，从而得到了这种神经元模型对神经网络分类器的分类能力的改进程度。

This paper mainly aims at analysis of gastrointestinal mucosa gene expression profiles of paired samples about spleen deficiency of chronic superficial gastritis and normal people group, and spleen deficiency of chronic superficial gastritis and piwei damp-heat group. 9 and 12 different genes are selected by using Wilcoxon signed rank test, the ratio of quadratic sum between groups and within groups and distance-related analysis in the process of feature selection.

通过对慢性浅表性胃炎脾虚证与正常人、慢性浅表性胃炎脾虚证与脾胃湿热证两组胃肠粘膜配对样本的基因表达谱进行分析，在特征提取阶段分别利用Wilcoxon符号秩检验、组间和组内平方和比率、基于相关距离的冗余分析方法，分别得到9个和12个差异基因。

Using quadratic rotational regression combination design to study the influence on yield and economic characters in different fertilizer and density of the rape, the result showed that the influence of density and fertilizer on yield and active silique per plant were significant but the quantity and weight of seed, while the influence of density on active silique per plant was higher than that of fertilizer but on yield was contrary.

结果表明，在本试验范围内，施肥量和密度对油菜单株有效角果数和产量均有显著的影响，对单株有效角果数的影响是密度大于施肥量，而对产量的影响则是施肥量大于密度；单株有效角果数的最佳组合为施肥量以纯氮227.0kg/hm2、密度9.4万株/hm2，产量的最佳组合为施肥量以纯氮235.7kg/hm2、密度10.6万株/hm2；当控制施肥量、密度分别为214.4—256.9kg/hm2、10.1—11.1万株/hm2时，油菜产量可达3000kg/hm2以上。

ABSTRACT Some of the problems raised from the H〓 control theory and its applications are studied deeply in this dissertation. They are system model description in robust design problems---linear fractional transformation, singular H〓 problem which occurs when some of the conditions of the standard H〓 problem are not met, and the quadratic stabilization problem is studied from the point of H〓/μ synthesis.

本论文对H〓控制理论及应用中的一些问题进行了深入的研究，着重解决了鲁棒设计问题中的系统模型描述---线性分式变换，以及当H〓标准问题的某些条件得不到满足时所出现的奇异H〓问题。

In the specific quantum numbers configuration of holon-isospin excitation where the excited momentum approach to the ground state, the dispersion relations can be expected as a quadratic dispersion, so we can define the effective mass of the spin wave excitation.

在激发能动量接近基态的特殊的isospin 量子数选取下，可以把色散关系看成为二次函数的形式，由此得到了有效质量与能隙、激发态动量的关系。

A new robust reliability method for stabilizing controller design of uncertain systems is presented based on quadratic stability criterion.

基于二次稳定性准则，提出了参数不确定系统鲁棒镇定控制器设计的鲁棒可靠性新方法。

Tolerance allocation is according to the precision variation requirement and product processing cost. The method used for sequential quadratic programming algorithm. In the optimum model, the objective is to minimize the summation of product processing cost and then to construct the tolerance stack-up constraint conditions and the self-tolerance boundary constraint conditions.

公差配置则是根据精度变异范围进一步分析其成本，透过使用序列二次规划最佳化方法，以最小制程成本为目标，建立主轴组装误差堆叠限制条件与个别公差限制条件作公差配置。

The beginning of this article gives the definition of elliptic curve, ellipse standard equation, and the long axis of oval, short, with an area of the formula of a binary quadratic equation of the circumstances under which the judge said to provide the basis of an oval, as well as the conditions in this the long axis of the ellipse, short, with an area of what is the formula?

本文开始给出了椭圆曲线的定义，椭圆的标准方程，及椭圆的长轴，短轴，面积公式，对一个二元二次方程在什么情况下表示椭圆提供了判断依据，以及在此条件下的椭圆的长轴，短轴，面积公式是什么？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。