双角的

By means of the complex variable function method and introducing the conformal transformation,the anti-plane shear problem about two semi-infinite collinear cracks in one-dimensional hexagonal quasicrystals was investigated and the exact solution to mode Ⅲ SIFs was found out.

利用复变方法，通过引入适当的保角映射，研究了一维六方准晶狭长体中双半无限共线裂纹的反平面剪切问题，给出了Ⅲ型裂纹问题的应力强度因子的精确解。

Meanwhile, taking the mutual shading effect of the neighboring spans into account, the direct solar radiation of arc vault of both east-west and south-north oriented multi-span greenhouse at noon on the day of winter solstice was calculated using the curvilinear integral method.

对东西走向和南北走向的华东型连栋塑料温室采用曲线积分的方法，在考虑相互遮荫的情况下，模拟计算了在冬至日正午时各种拱顶切角双圆弧屋面的采光性能。

The calculated results show that the total differential cross section is the general rule and characteristics of collision between an atom and a diatomic molecule, the phenomenon of the scattering oscillation at large angles is more evident along with increase of the incident energy for low-lying rotational excitation state-to-state differential cross sections in He-BH collision system.

计算结果表明：He-BH碰撞体系的总微分截面具有原子与双原子分子散射的一般规律和特征；随着入射能量的增加，低转动激发态-态微分截面在大角区的散射振荡现象会更加明显。

By using the Serber model, double differential cross section and angle distribution of 〓He fragments were calculated in terms of direct process theory including nuclear diffraction dissociation and stripping process.

利用基于Serber模型的直接核过程：核衍射破裂和削裂过程理论，计算了〓He的破裂反应产生的〓He碎片的双微分截面和角分布。

AThis machine adopt chain provide and double roller cycle roll , take carton piece though many working procedure of disport,roll line,cut horn,hit especial hole etc. it' ideal equipment of effect all processing carton piece working procedure one time.

本机采用链条送入、双辊轮转滚压的方式，将印刷好的箱片进行分纸、滚线、切角、打异型孔等多道工序，一次完成箱片的全部加工工序的理想设备。

Results: The immunostaining showed that intense FOS-Li and moderate NKR-Li neurons in the superficial laminae of medullae oblongata dorsal horn and their mainly part of the distribution were overlapped. Parts of the distribution of NKR-Li were obviously overlapped by the BSI-B4 labeled primary afferent C fibers and terminals.

结果：再次于形态学上证实了NKR样阳性结构及初级传入C纤维在大鼠延髓内的分布；发现大鼠延髓后角浅层密集分布NKR样阳性结构或BSI-B4标记的C纤维阳性纤维及终末，I、Ⅱ层内可见NKR样阳性神经元、深层偶见NKR样阳性神经元；但其中极少数是c-fos阳性神经元，未发现典型的NKR/FOS双标细胞。

In this paper, the structure and its morphology of the as-spun isotactic polypro- pylene monofilaments has been investigated by using cross polarized microscope, SALS, SEM, WAXD, density, birefringence and Hardy's thin cross-section device.

本文采用正交偏振光、小角激光散射、扫描电子显微镜，广角X光衍射、密度、双折射和切片技术，对工业用丝——IPP单丝的未拉伸丝的结构及其形态进行了广泛的研究。

Qi staffing, technology, and enterprise development of this establishment of the independent processing workshops Plastic windows and doors, high-grade aluminum alloy doors and windows broken insulation production and processing workshop, insulating glass processing plant and distribution conch-based windows and doors profiles Hardware stores sales, processing and assembling an annual output capacity of more than 50,000 square meters, the enterprise has the production of PVC windows and doors two sets of large-scale equipment, precision double-headed Saw aluminum, aluminum alloy Aluminum Group Kok Airport, aluminum alloy punch, vertical precision milling machine, such as aluminum alloy doors and windows, aluminum alloy hollow-Home-shift door, folding door processing equipment, has a vertical plate pressure automatic insulating glass production line and the straight-line glass milling machines and testing instruments, such as windows and doors equipment, for the manufacture of reliable products provided a guarantee for quality.

人员配备齐，技术力量强，企业发展之今设立了独立的塑钢门窗加工车间，高档断桥隔热铝合金门窗生产加工车间，中空玻璃加工车间和以海螺型材经销为主的门窗五金件销售门店，加工组装年产能力达五万平米以上，企业拥有塑钢门窗生产大型设备二套，精密双头铝锯机、铝合金平开窗组角机、铝合金冲床、立式精密铣床等铝合金门窗、铝合金中空家装移门、折叠门加工设备、拥有立式自动板压中空玻璃生产线一条以及直线玻璃磨边机和门窗检测仪器等设备，为制造可靠的产品质量提供了保证。

The slewing bearing can be divided into four-point conatct ball slewing ring, double-row angular thrust ball slewing bearing, crossed cylindrical roller slewing bearing, crossed tapered roller slewing bearing and three-row cylindrical combined roller slewing bearing according to their different structural styles.

转盘轴承根据不同的结构型式可以分为四点接触球转盘轴承、双排角接触推力球转盘轴承、交叉圆柱滚子轴承、交叉圆锥滚子轴承和三排圆柱滚子组合转盘轴承等不同的结构型式；上述各类轴承按其是否带齿及齿轮的分布部位又分为无齿式、外齿式或内齿式等不同结构。

The slewing bearing can be divided into four-point conatct ball slewing ring, double-row angular thrust ball slewing bearing, crossed cylindrical roller slewing bearing, crossed tapered roller slewing bearing and three-row cylindrical combined roller slewing bearing according to their different structural

转盘轴承根据不同的结构型式可以分为四点接触球转盘轴承、双排角接触推力球转盘轴承、交叉圆柱滚子轴承、交叉圆锥滚子轴承和三排圆柱滚子组合转盘轴承等不同的结构型式；上述各类轴承按其是否带齿及齿轮的分布部位又分为无齿式、外齿式或内齿式等不同结构。

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