轴系

The horizontal bending moment and bending stress of the crossbeams rise quickly with increasing of the constraint stiffness of the lower chord joint to the crossbeam, the axial stress of the low chords and the continuous length of the floor system and with decreasing of the distance between the stringer and the low chord.

桥面系的连续长度和下弦杆的轴应力越大、下弦杆结点对于横梁的约束刚度越大、纵梁与下弦杆的距离越小，横梁的面外弯矩和弯曲应力越大。

It is the Agrobacterium to use different strain with plasmid pCAMBIA 1201 or 1303, including transformation research for EHA105, LBA4404 and KYRT1, try to find out the relevant condition that the suitable azuki bean epicotyls transfer to transformation.

使用带有pCAMBIA1201或1303质体的不同菌系农杆菌，包括分别为EHA105、LBA4404及KYRT1进行转殖研究，尝试找出适合红豆胚轴转殖的相关条件。

The postprocessor is the important interface in computer aided process planning and NC machining because it is used to change cutter location file designed by CAD/CAM systems into the NC-code that is acceptable to 5-axis machine tools.

通常后处理程式系将CAD/CAM系统所产生的刀具路径档案转换为五轴加工机接受的程式码，是电脑辅助制程规划与数控加工间的重要介面。

Based on the parametric equations of blade surfaces and hub surface, and selected form specification of the ball end mill, we use MATLAB to calculate the coordinates of tool paths and tool-axis orientation.

本文系以叶轮叶片面及轮毂面的曲面参数方程式资料为基础，选定刀具形状规格后，应用MATLAB程式来计算刀具的刀尖点座标及刀轴方向。

Efficient Operation- Tapered-polygon ball-to-shaft connection and clamped splined actuator connection remove lost motion or deadband from the drive train for throttling control applications.

有效率地运作，锥形，多边形球到夹紧轴花键连接和连接器中删除损失的节流控制应用的传动系的议案或死区。

The locus equation of the roulette of the simple fixed axis gear train was derived by transforming coordinates first, and some typical figures were demonstrated by computer. The relationships among characteristics and forms of the roulettes and the transmission ratios, mechanism parameter and the original phase angles were investigated.

首先应用坐标变换的方法推导出了简单定轴轮系的旋轮线的方程，并利用计算机画出了一些典型图形，研究了旋轮线的性质、形状与传动比、尺度参数和初始角的关系。

Based on the experimental results of axial strain, dilatancy capacity and volumetric strain of two kinds of rocks under zero confining pressure, some new knowledge has been gained.

首次采用&零围压单轴试验&对煤系地层两种岩石试样的剪胀力进行了系统测定及分析，得到一系列新的认识，对深入研究软岩巷道剪胀变形压力以及建立岩石类材料本构方程提供了实验依据，开拓了新的研究思路

PBL products are widely used in metallurgical, nonferrous metals, petrochemicals, transport machinery, engineering machinery, mining, paper, shipping, railway locomotive, the textiles, and other industries, particularly the universal joint isokinetic Ball Basket Series , Supported roller bearings with the campaign element Tension leveler roll element of foreign technology has reached the advanced level in the country's leading position in a number of large enterprises in the success of alternative products imported from the broad masses of users and the recognition in the industry Day-long reputation, the products have entered the international market.

博亚产品广泛应用于冶金、有色金属、石油化工、运输机械、工程机械、矿山、造纸、船舶、铁路机车、纺织等行业，特别是球笼式等速万向联轴器系列、支承辊轴承组元系列与拉弯矫直机辊系组元技术已达到国外先进水平，处于国内领先地位；在多个大型企业中成功替代国外进口产品并得到广大用户的认可，在行业中声誉日隆，产品已进入国际市场。

Founded in 1963, the Department of the former National Machinery Industry fixed-point production gear and spline shaft professional factory.

始建于1963年，系原国家机械工业部定点生产齿轮和花键轴的专业厂。

The vapor phase deposition, axial screw dislocation and surface diffusion play important roles in the whisker growth.

在大量的Bi系晶须生长实验的基础上，本文提出了晶须生长的机理，气相沉积，轴向螺位错和界面扩散在晶须生长过程中起了重要作用。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐