结构函数

In the mean time we also give out a reduction way for nonlinear generalized system F =0 by use of the special projection mappings Q . Based on these we prove that the qualitative structure near the isolated equilibrium point of regular nonlinear generalized system is qualitatively equivalent with the structure near the equilibriun point of the linearization system of nonlinear generalized system, so we give out a way for qualitative analysis near equilibrium point of nonlinear generalized system.

其次，对一般形式的非线性广义系统F=0，利用特殊选择的投影函数Q，给出了一种归约方法，在此基础上，并证明了正则非线性广义系统问题的孤立平衡点的小邻域的定性结构等价于其线性化后的线性广义系统平衡点的定性结构，从而为非线性广义系统的平衡点的定性分析提供了一条途径。

The only way to create a record that is not already declare is to use the malloc library routine. malloc has the system create, magically, a new structure and return a pointer to it.

创建尚未被声明过的记录的唯一方法是使用malloc库函数。malloc奇迹般的使系统创建一个新的结构并返回指向该结构的指针。

The evaluation of the failure probability of structural system is of extreme importance in structural design and the limit state function is the key to do it.

结构系统的可靠性评估是结构设计的一个重要研究内容，而极限状态函数的建立是进行可靠性评估的基础。

For the first time, a checking point method is proposed by using equivalent logarithmic normal probability distribution, and its application is studied for calculating durability reliability of reinforced concrete structures.

根据在役结构的特点，提出了用对数正态分布拟合未知概型的随机变量的方法；首次提出了当量对数正态型概率分布的验算点法，并研究了其在钢筋混凝土结构耐久性可靠度中的应用；对功能函数非线性引起的误差进行了深入的研究，提出了误差判别方法。

Based on the precision effect and requirement,when structure suffered to maximum load,relationship of parameter between structure and distortion was provided. Besides,structure distortion analysis was carried out in detail. In addition,target rigidity/weight ratio and total mass minimizing method were put forward.

同时对结构刚度进行详细分析，提出以系统重量最低和比刚度最高的加权因子法的多目标优化函数及优化策略，最后，在研究与分析的基础上，对高精度天线测试台结构特点进行了总结。

The notion of morphism recurs in much of contemporary mathematics. In set theory, morphisms are functions; in topology, continuous functions; in universal algebra, homomorphisms; in group theory, group homomorphisms.

尽管态射的本质是抽象的，多数人关于它们的直观来自于具体范畴的例子，在那里对象就是有附加结构的集合而态射就是保持这种结构的函数。

The third chapter introduces the self-similar structure and the distribution of the Pascal triangle and Lucas triangle.

第三章介绍Pascal三角模p的的自相似性结构及各种分布问题，并考虑一般二元Lucas函数模p的类似结构和分布问题。

At last, the MC method,PPEM, and the frequency transfer function perturbation method have been used to analyze the effect of structural random damping onstructural displacement.

在论文的最后，利用Monte Carlo法、摄动虚拟激励法、频域传递函数摄动法研究结构随机阻尼对结构位移响应的影响。

And an iterative sliding mode-PID control method is presented for a class of nonlinear perturbed system, in which the sliding mode VSC method is iteratively applied based on system output feedback.

该方法通过对系统输出迭代设计线性滑模函数，并引入传统PID控制，综合了滑模变结构控制与PID控制的鲁棒性强的特点，避免了传统PID控制积分引起的超调以及变结构控制的抖振问题。

Aiming at structural design influence of part physical dimension and uncertainty of exterior load, response surface and several statistic parameter analyse of bridge truss structure bending stress and deflection was proceed by means of probability design and finite element method.

针对桥梁桁架实际设计中，零件结构尺寸、外部载荷的不确定性对结构设计的影响，采用概率设计与有限元技术相结合，通过参数化建模，运用响应面法构造了近似函数，对桥梁桁架弯曲应力和挠度进行了概率设计。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷