约束的

In addition, some experience formulas for them are regressed. The third chapter establishes a unified S-N curve equation to calculate multi-axial fatigue ultimate strength of concrete considering both the effect of confinement and minimum/maximum stress ratio, based on the triaxial fatigue test data in this paper and the test results under uniaxial and biaxial fatigue loading in previous literatures. Moreover, the consistency of calculating condition fatigue ultimate strength with fatigue life distribution and initial ultimate strength distribution is analyzed.

第二章简要地介绍了本文三轴疲劳试验装置，进行了两向等侧压约束下混凝土立方体试件三轴受压等幅和变幅疲劳试验，分析了三轴受压疲劳破坏机理，给出了相应的疲劳破坏试验判断标准；得到了混凝土在两向侧压约束下单级和多级受压疲劳的变形发展规律，包括最大纵向应变、残余应变、最大纵向应变率和疲劳变形模量等随循环次数的发展规律以及疲劳损伤的演变规律，并给出了相应的经验公式。

The performance function and constraint equation in calculus of variations were constructed by analyzing input and output equations of the system containing parameters to be estimated. The traditional parameter estimation problem could be transformed to that of least squares estimation.

通过分析包含待估参数的系统输入输出方程，构造变分法中的性能范函和约束方程，将传统的参数估计问题化为带约束条件的最小二乘估计问题；利用拉格朗日乘子法，分析参数估计方程，得到参数的最优估计。

Introducing of product characteristic vector realizes the transformation from the descripti...

产品特征向量的引入，实现了对产品特征的自然语言描述向数学语言描述的转化；捆绑在组件上的约束和产品特征向量相关，使约束表达直观、集中，降低了知识表达的难度，并给出成功应用案例。

By the idea of non-parametric estimate and the wide understanding of weight function, we obtain a method of randomizing the restrictive conditions of nonlinear regression model.

对带约束条件的非线性模型问题进行了探讨，利用非参数估计的思想，广义地理解权函数估计中的权，给出了一种方法－&约束条件的随机化方法&。

The three dimensional model on engine block combination structure of a piston engine is established by the ANSYS software,and the modal analysis is carried out in the case of constrained model.

采用ANSYS软件对某活塞发动机机体和缸盖的组合结构进行了约束模态的有限元分析，得到了机体组合结构的前20阶约束模态的固有频率及相应振型。

The article simply expounders the Theory of Disequilibrium Transportation Planning on the basis of analyzing the causes of traffic congestion problem,and analyses the urban transportation planning rigid constraint qualification, sequentially,educes concrete limit constraint qualification,provides a certain theoretical basis and design parameters to transportation planning.

文章在分析交通拥挤问题原因的基础上，简单阐述了非均衡交通规划理论，并基于该理论分析了城市交通规划的刚性约束条件，得出了具体的边界约束条件，为交通规划提供了一定的理论依据和设计参数。

The soliton hierarchies associated with the modified second order polynomialeigenvalue problems can be factorized into the commuting x- and 〓-constrainedflows, the r-matrices and classical Poisson structures for the x- and 〓-constrained flows are constructed.

与修正的二阶多项式特征值问题相联系的孤立子方程族可以被分解为相互交换的x-和〓-约束系统，本文求出了约束系统的r-矩阵和经典Poisson结构。

In the second part, the paper terns to abtaining the motion controllers with high performance by intelligent learning methods.

然后将其用于机器人复杂运动的动力学建模，讨论了机器人运动受约束时的逆动力学问题和正动力学问题，显示了本文方法在处理附加于机器人系统的约束时的统一性和方便性。

Results showed that the head and chest accelerations and upper neck force and moment were reduced.

通过计算假人和儿童人体有限元模型的缓冲能量密度和约束能量密度，及约束能量密度中被CRS背带吸收的能量密度和耗散到CRS安装系统的能量密度，得到了能量密度和效率与胸部加速度之间的关系。

Strengthen the automatic control type class to set up and is set up Guarantee the peace and steadiness of railway transportation Summary: The automatic control type class sets up and is set up, but it is " human-oriented " to insist Management idea,it combine actually with homework characteristic production of teams and groups, through setting up and amplifying there aren't quality, to make the automatic control type class and set up and have the implementing method, promote worker's self- management, selfdiscipline in homework, examine oneself and implement the improvement of respects such as the standardized homework,etc.

加强自控型班组建设确保铁路运输安全稳定摘要：自控型班组建设，就是坚持&以人为本&的管理理念，结合班组的生产实际和作业特点，通过建立健全素质培训机制、优胜劣汰机制、激励约束机制，来制定自控型班组建设实施办法，促进职工在作业过程中自我管理、自我约束、自我检验和按程序自觉落实标准化作业等方面自控能力的提高，实现班组在安全生产等各方面的自治自控，达到铁路运输安全稳定的目的。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。