Therefore, the strength check of multi-internal force from the cross-section of bar can be resolved by means of mechanical method.
为此，利用材料力学方法可以解决杆件横截面上存在多个内力的强度计算问题。
A laminated composite bar of rectangular cross section consists of a middle portion of one material as well as upper and lower identical cover plates of another material.
一矩形横截面的叠层复合材料杆，由以一种材料为中心部分，及另一种材料的上下两相同的盖板所组成。
According to the testing and studying, ultimate strength, elongation and shrinkage on cross section of two kinds of steel bar were determined.
通过测试研究还得到两种钢筋的极限强度、延伸率和断面收缩率等其他高温力学性能参数。
This paper analyses the band structure with nodular graphite that was first found on the cross section of the gray iron bar in the experiment.
通过试验分析，首次在灰铸铁型材断面上观察到球状石墨的带状区，并对这种带状组织及成因进行了分析探讨。
The most important issue for the problem of uniform cross-section bar torsion is the calculation of shear stress on the boundary of cross-section, which is very difficult.
对等截面直杆扭转问题，横截面边界上的剪应力计算是件困难的事，也是很重要的研究课题。
Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through "variable cross-section" of metal bar embeded layer was put forward.
运用波动的经典理论，提出了导波在金属杆嵌入层“变截面”传播时波速改变的“等效弹性模量”的概念。
Based on plastic intensifying theory, dual-linearity material model is used to calculate stress and strain on the cross section of a torsion bar spring by FE method.
在塑性硬化强扭理论的基础上，利用双线性材料模型计算了扭杆弹簧第一次强扭过程横截面的应力和应变。
The influence of embedded trilateral cross-section metal bar in the fillet on the strength and stress distribution of single lap joints was discussed.
研究了在胶瘤中嵌入三角形金属楔块对单搭接接头强度和应力分布的影响，结果表明，金属楔块能显著提高接头的强度。
The main parameters considered are height of the cable truss, area of cross section of tensile bar, pre-tension of tensile bar and thickness of glass panel.
通过有限元程序对点支式玻璃幕墙索桁架支承体系中索桁架结构高度、拉杆截面积、拉杆预拉力和玻璃面板厚度对其受力性能的影响进行了研究。
Roll forgings. In roll forging, a bar stock, round or flat is placed between die rollers which reduces the cross-section and increases the length to form parts such as axles, leaf springs etc.
在滚锻时，圆的或是扁平的棒料放在模辊之间缩小横截面增加长度制成诸如轮轴、板簧之类的零件。
The bar steels adopt I steels, Angle steels or channel steels, or adopt steel plates which are welded into a cross shaped section.
型钢选用工字钢、角钢或槽钢，或者采用钢板焊接为“十”字型截面。
In this paper, the torsion crack problem for a bar with cross section containing cusp points is discussed.
在本文中讨论了带裂纹杆的扭转问题，并设扦的截面周边具有回归点。
A torsion difference scheme of the bar with sectorial cross-section is developed in polar coordinate system.
导出了极坐标系下扇形截面杆件扭转问题的差分格式；用逐次超松驰迭代法求出了扭转应力函数差分值。
In this paper the local co-ordinate method was used for calculating the three dimensional distribution of the magnetic field in a cell by bus bar with rectangular cross-section.
本文采用局部坐标法计算矩形截面大电流母线在电解槽中产生的三维磁场。
The type of bar can be selected according to cross section area, performance of the member.
型钢可以根据构件截面的大小、受力特点，灵活地选用。
But when the bar of the structure is subjected to a lot of lateral loads, or when it is with variable cross-section, the resolving process could become quite tedious.
而当结构中的杆件受到较多的横向载荷作用时，或者结构中的杆件为变截面时，这种方法解题过程变得非常冗长。
Rack and pinion: Mechanical device consisting of a Bar of rectangular cross section (the rack), having teeth on one side that mesh with teeth on a small gear (the pinion).
齿条和小齿轮：一种机械装置，由一条矩形截面的杆(齿条)和一个与齿条上的齿相啮合的小齿轮组成。
Rack and pinion: Mechanical device consisting of a Bar of rectangular cross section (the rack), having teeth on one side that mesh with teeth on a small gear (the pinion).
齿条和小齿轮：一种机械装置，由一条矩形截面的杆(齿条)和一个与齿条上的齿相啮合的小齿轮组成。
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