双角的

Utilizing the tools of conformal mapping and Cauchy integral formula and so on, the SIFs at the crack tips are obtained, which can be reduced to the known results under the condition of limitation; For the third and the fourth section, the problems of arc crack and parabolic crack are researched in one dimensional hexagonal QCs.

第二节研究了一维六方准晶狭长体中双半无限共线裂纹问题，利用保角变换以及Cauchy积分公式等工具求得了裂尖处的应力强度因子，在极限的情况下可以还原为若干已有的结果。

Hydroforming of aluminum tubular unsymmetrical parts without cone-shaped transition was carried out on by means of FE simulation and experiment.

采用数值模拟与工艺实验的方法，研究了双阶梯无过渡锥角管件的内高压成形过程。

So on Saturday morning, after giving both a half an hour walk, trot, canter and pipe opener, Flora Harris very kindly lent me her electric bike to go and have a quick look at how a couple of fences were jumping — the dew pond and the double of angled hedges.

所以，在星期六早晨，在半个小时的慢步，快步，跑步和pipe opener之后，Flora Harris 很好心地借给我她的电动车去快速地看一下，几个栅栏如何组成障碍--露珠池塘和带角双倍篱笆。

The main committee of CITES discussed a group of them, including the hammerhead, oceanic whitetip, porbeagle and spiny dogfish.

CITES的委员提出一组不同种类的鲨鱼候选名单供讨论，包括锤头双髻鲨，远洋白鳍鲨，鼠鲨以及白斑角鲨。

Considering the effect of load and helical angle on the instaneous width of contact area, this paper uses the BEM program for calculating the deformations at different place along the width of convex tooth and concave tooth of W-N gear and gets the relevant deformation curves.

并首次应用三维边界元方法，在计入齿面瞬时接触迹宽度随外载、螺旋角而变化的条件下，计算了双圆弧齿轮凸齿面端部和凹齿面端部的变形。

Taking the electric power design institutes over the country as firm technological support,our Company is the specialized manufacturer specializing in material transport products such link electric drive pusher series,aligning roller series,groov eelectric drive plough,wiper,electric drive anti-sticking T-cock,buffer air lock of new generation,electric drive buffer roll,buffer device,double-arm feeder,coal-covered curtain,gathering sill,belt head retractor,sprinkler,winding irrigator and so on,which are widely used in domestic thermal power plant,colliery,harbor,chemical and metallurgical industry.

本公司以全国各电力设计院为坚强的技术作后盾，是专业生产电动推杆系列，调心托辊系列，槽角电动犁式卸料器，刮水器，电动防卡三通，新一代缓冲锁气器，电动缓冲滚筒，缓冲装置，双推杆给料机，挡煤帘，导料槽，皮带头部伸缩装置，洒水器，卷绕冲洗器等物料输送产品的专业生产厂家。广泛应用于国内火电厂、煤矿、港口、化工、冶金等行业。

The scattering and absorption coefficient values measured by the D-OPC were compared with that measured by an Aethalometre and an Integrating Nephelometer.

与TSI公司黑炭仪和浊度计测量的吸收系数和散射系数对比表明，双散射角光学粒子计数器测量气溶胶折射率和谱分布结果合理，测量误差0%，可以满足同时测量气溶胶粒子谱分布和折射率的需要。

The energy levels of free metallic ion were calculated with a 13 parameters model including the 2-body and 3-body interactions. The Stark energy levels of crystal field were calculated using the model proposed by Newman based on 1 electron orbital approximation The f-f oscillator strength calculation includes the contribution of electrostatic-induced, ligand polarization, vibronic-induced, magnetic dipolar transitions.

其中，自由f离子能级计算采用包括双电子与叁电子组态相互作用的二三参数模型，晶体场Stark分裂计算采用单电子轨道近似，用Newman角叠加模型计算晶体场参数。f-f跃迁振子强度计算包括静电诱导偶极跃、配体极化偶极跃、振动诱导电偶极跃迁及磁偶极跃迁的贡献。

The effect of the linear birefringence and the incident polarizing angle on the output performance of the sensor were derived using Jones matrix,and simulations were made.

介绍了基于法拉第磁光效应小型光纤磁场传感器的系统结构，利用琼斯矩阵对线双折射及入射起偏角对传感器输出特性的影响进行了推导与仿真。

By using PCR method, a 1kb fragment was gained from Heliothis amigera nuclear polyhedrosis virus genome.

用PCR方法从棉铃虫核多角体病毒基因组中扩增到了1kb的DNA片段，用双脱氧链终止银染测序法测定了该片段的全序列，发现它含有一个完整。。。

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