轴的

There is much difference between the stress ratio in crown and springe calculated with these two methods. In the crown, most external forces changing into horizontal forces leads to the large decrease of the vertical tension stress. The vertical distribution pattern of the axial forces in the arch and soil pressure is not the same. And near the bottom of the pit the axial tension stress appears. Due to the self-accommodation effect which the external force acts on the arch, the stress in the springe gets lesser too.

拱冠和拱脚处的应力比值跟竖向构件比较相差悬殊；拱冠处由于大部分外力转化为水平拱内轴压力而使得竖向拉应力大大减小；竖向上拱内轴力与土压力的分布模式并不相同，并且在坑底附近出现了轴拉力；拱脚处也由于拱体对外力的自我调节作用而变得比纯竖向构件小的多。

In this paper, the fundamental problems of the dynamic buckling in cylindrical shells are axial impact, torsion impact and coupling impact. The dual variables in symplectic space are gotten from energy function, and the Hamiltonian system is established.

本文针对弹性圆柱壳在轴向冲击、扭转冲击、轴扭耦合冲击及径向均布压力和轴向冲击载荷耦合作用下的动态屈曲问题，借助于系统的能量构造出问题的原变量和对偶变量，建立了系统的哈密顿体系。

During example analysis process, theoretical assembly model of microminiaturized circular shaft and sleeve is established, and stress-strain relationship with different parameters is deduced by virtual displacement principle; two finite element assembly models of D shaped shaft and gear, circular shaft and sleeve are established.

在实例分析过程中，建立了微小型圆轴和套装配的理论模型，通过虚位移原理得出装配过程中不同参数值下的应力应变关系；建立了圆轴与套装配、D型轴与齿轮装配的有限元模型，验证了数字化微装配中虚拟检测技术的正确性、必要性和重要性。

There are two stages: rough adjustment and careful adjustment. During rough adjustment: the laser optical axis is considered as the normal axis of measurement optical path, and the coaxal measurement system is established. During careful adjustment: the tilt coefficient of WYGO interferometer is considered as the adjustment standard to adjust the objective, so the actual result of the object surface quality is ensured.

调整分为粗调和精调两个阶段，在粗调阶段，以激光的光轴作为检测光路的基准光轴，建立起共轴光路检测系统；在精调阶段，以WYGO干涉仪内部倾斜系数作为调整依据，进行物镜的精调，从而保证检测结果反应真实的物镜面形质量。

At an early stage in the evolution of the high-speed diesel a variable timing device was introduced in the pump drive coupling, taking the form of a helically splined coupling by means of which the angular relation between driving and driven shafts could be varied by manual or automatic control.

在高速柴油机发展的早期，可变的正时装置被引用到油泵驱动联轴节上，采用螺旋式花键套管的形状，驱动轴和从动轴之间的相对角度可以通过手动或自动控制进行改变。

In order to describe the fatigue damage characteristic under multiaxial proportional and nonproportional loading, a new nonlinear multiaxial fatigue damage cumulative model was presented on the basis of combining multiaxial fatigue damage characteristic. The recurrence formula of multiaxial fatigue damage model was derived under multilevel loading.

为了描述多轴比例与非比例加载下的疲劳损伤特性，结合多轴疲劳损伤的特点，建立了一种新的非线性多轴疲劳损伤累积模型，并推导给出了该疲劳损伤累积模型在多级加载条件下的递推公式。

1 Contrast unstrengthened square reinforced concrete column and 10 reinforced concrete columns strengthened by circular steel jacket were tested under axial loading .

为研究圆形钢套管加固混凝土柱的基本力学性能，进行了1根未加固的普通钢筋混凝土柱和10根圆形钢套管加固的混凝土短柱在不同加固钢套管厚度及初始轴压比下轴心受压试验，初始轴力通过对未加固试件施加后张预应力来进行模拟；在试验研究的基础上，根据应变协调原则对加固后构件轴压承载力进行了数值分析。

To study the basic mechanical performance of reinforced concrete column strengthened by circular steel jacket,a set of experimental work was carried out.1 contrast unstrengthened square reinforced concrete column and 10 reinforced concrete columns strengthened by circular steel jacket were tested under axial loading.

为研究圆形钢套管加固混凝土柱的基本力学性能，进行了1根未加固的普通钢筋混凝土柱和10根圆形钢套管加固的混凝土短柱在不同加固钢套管厚度及初始轴压比下轴心受压试验，初始轴力通过对未加固试件施加后张预应力来进行模拟；在试验研究的基础上，根据应变协调原则对加固后构件轴压承载力进行了数值分析。

The common and special characteristics of ax ial zonality sequences of primary halo for different types and different s cales deposits for major types of gold deposits in China have been drawn a concl usion through scientific statistics.

汇集了中国63个典型金矿床的原生晕轴向分带序列，统计出了中国主要金矿类型、不同规模矿床的原生晕轴向分带序列的共性和特性，总结出了中国金矿床原生晕轴向分带序列及其应用于盲矿预测的准则

According to abraded shafts in the use, this text analyzes abrasion cause of shafts.

针对轴类零件在使用过程中常会出现磨损的情况，对轴类零件的磨损及其原因进行了分析，介绍了近年来轴类零件修复技术的发展，包括喷涂技术、滚花技术、镀覆技术和堆焊技术，并总结了这些修复工艺的特点和应用情况。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。